Juan Abelló

Madrid
Finance and Industry
modern and contemporary art, especially Spanish; Spanish Old Masters
Top 200 appearance: , , , , , , , , , , , , , , ,

Hartmut and Silvia Ackermeier

Berlin
Banking
Contemporary art, particularly German Neo-Expressionism
Top 200 appearance: , , , ,

Gianni Agnelli

Turin, Italy
Automobiles, banking, insurance, and department stores
Impressionist, modern, and contemporary art; Old Masters
Top 200 appearance: , , ,

Jan Ahlers

Herford, Germany
Manufacturing
Abstract Expressionism; German Expressionist art; Pop art
Top 200 appearance: , , , , , , , , ,

Harry W. and Mary Margaret Anderson

San Francisco
Food service
Contemporary art
Top 200 appearance: , , , , , , ,

Walter H. Annenberg

Rancho Mirage, California
Publishing
Impressionist and Post-Impressionist art
Top 200 appearance: , , , , , , , ,

Plácido Arango

Valdemorillo (Madrid), Spain
Retail
Modern and contemporary art; Spanish Old Masters
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , ,

Hans Rasmus Astrup

Oslo
Shipping- and finance-related activities
Contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , ,

Sergio and Marinieres Autrey

Mexico City
Finance and pharmaceuticals
Contemporary Mexican art; Old Masters and 19th-century European art
Top 200 appearance: , ,

Emilio Azcarraga

Mexico City
Television and publishing
Contemporary art
Top 200 appearance: , , , , , ,

Angelo Baldessari

Bari, Italy
Engineering
Contemporary art, particularly Conceptualism
Top 200 appearance: , , , , ,

Jean-Paul and Monique Barbier-Mueller

Geneva
International real estate development
Modern and contemporary art; tribal art
Top 200 appearance: , , ,

Frits and Agnes Becht

Naarden, the Netherlands
Opinion polls and marketing
Contemporary art
Top 200 appearance: , , , ,

Thomas and Cristina Bechtler

Zurich
Construction
Modern and contemporary art
Top 200 appearance:

Marchesa Marida and Marchese Annibale Berlingieri

Rome
Real estate and investments
Modern and contemporary art, especially Minimalism
Top 200 appearance: , , , , , , , , , , , ,

Clyde and Karin Beswick

Los Angeles
Advertising
Contemporary art
Top 200 appearance: , ,

Countess and Count Giuseppe Panza di Biumo

Massagno, Switzerland; Milan
Real estate and manufacturing (distilled alcohol)
Contemporary art, especially 1960s and '70s
Top 200 appearance: , , , , , , , , , , , , , , , , ,

Scott Black

Boston
Money management
Impressionism; modern art
Top 200 appearance: , , , , , , , , ,

Nellie and Carlos Pedro Blaquier

Buenos Aires
Sugar
French silver; Impressionist art; modern Argentine art; Old Masters
Top 200 appearance: , , , , , , , , , , , ,

Nelson Blitz Jr. and Catherine Woodard

Rye, New York
hvac mechanical contracting
German Expressionism; Modern and contemporary art; Wiener Werkstatte metalwork and furniture
Top 200 appearance: , , , , , , , , , , , , , , ,

Marion and Henry W. Bloch

Shawnee Mission, Kansas
Income-tax advisory service (retired)
Impressionism and Post-Impressionism
Top 200 appearance: , , , , , , , , , , , ,

Eric and Silvie Boissonnas

Paris
Inheritance (oil services)
Modern and contemporary art
Top 200 appearance: , , , , , , ,

Gilbert and Janet de Botton

London; Saint Moritz, Switzerland
Investment banking and inheritance (retail stores)
illuminated manuscripts; Modern and contemporary art; Piranesi prints
Top 200 appearance: , , , , ,

Gérard and Anne-Marie Boulois

Paris
Inheritance (textile manufacturing)
Contemporary art, particularly from the 1960s and '70s
Top 200 appearance: , , , , ,

John and Frances Garland Bowes

San Francisco
Business (outdoor-sports supplies)
Contemporary art, particularly American and German
Top 200 appearance: , ,

Irma and Norman Braman

Miami Beach
Automobile dealerships
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , , ,

Christiaan Braun

Nieuwersluis, the Netherlands
Computers and electronics
Contemporary drawings
Top 200 appearance: , , ,

Donald Leroy Bren

Newport Beach, California
Real-estate development
contemporary American art; French and English furniture
Top 200 appearance: , , , , , , , ,

Edythe L. and Eli Broad

Los Angeles
Philanthropy (The Eli and Edythe Broad Foundation and The Broad Foundation)
Contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , , ,

Sultan Haji Hassanal Bolkiah, Sultan of Brunei

Bandar Seri Begawan, Brunei
Oil and hotels
Impressionism; Islamic art; Old Masters
Top 200 appearance: , , , , , , , , , , , ,

Lothar-Günther Buchheim

Feldafing, Germany
Publishing and filmmaking
German Expressionist and contemporary art
Top 200 appearance: , , , , , , ,

Nicola Bulgari

New York; Rome
Jewelry
Modern and contemporary art
Top 200 appearance: , , ,

Mary Livingston Griggs Burke

New York
Lumber
Japanese art
Top 200 appearance: , , , , , , , , , , ,

B. Gerald and Iris Cantor

Los Angeles
Financial services
Rodin sculpture, Impressionist, modern, and German Expressionist art
Top 200 appearance: , , , , ,

Miguel Angel and Magaly Capriles

Caracas, Venezuela
Publishing
Latin American art
Top 200 appearance: , , ,

Gerald Chan

Hong Kong
Real-estate development
19th-century European painting
Top 200 appearance: , , , , , ,

Gilberto Chateaubriand

Rio de Janeiro
Publishing
Brazilian art; modern art; photography
Top 200 appearance: , , , , , , , , , , , , , , ,

Gustavo and Patricia Phelps de Cisneros

Caracas, Venezuela; New York
Broadcasting
Contemporary art; Modern art, particularly Picasso, Calder, and Pollock
Top 200 appearance: , , , , , , ,

Ignacio Cobo

Mexico City
Hotel administration
Impressionist and modern art
Top 200 appearance: , , ,

Attilo Codognato

Venice
Antique jewelry
Contemporary art, particularly Pop art and arte povera
Top 200 appearance: , , ,

Karen Cohen

New York
Real estate
19th-century art, especially Delacroix
Top 200 appearance: , , , , , , , , , ,

Eduardo F. Costantini

Buenos Aires
Asset management and real estate
Modern and contemporary Latin American art
Top 200 appearance: , , , , , , , , , , , , , , , ,

Carlos and Rosa de la Cruz

Miami
Automobile dealerships
Contemporary art, particularly Latin American
Top 200 appearance: , ,

Herman Daled

Brussels
Medical practice
Contemporary art
Top 200 appearance: , , , , , , ,

Michel Alexandre and Hélène David-Weill

New York; Paris
Banking
17th- to 19th-century French painting; Contemporary art
Top 200 appearance: , , , , , ,

Kenneth and Judy Dayton

Wayzata, Minnesota
Department stores
Modern and contemporary art, particularly American
Top 200 appearance: , ,

Thomas and Francis Dittmer

Aspen, Colorado; New York
Financial services
Modern and contemporary art, particularly American
Top 200 appearance: , , , ,

Barney Ebsworth

Seattle
Cruise ships and luxury travel (Intrav)
20th-century American art; Old Masters
Top 200 appearance: , , , , , , , , , , , ,

Stefan T. Edlis and Gael Neeson

Aspen, Colorado; Chicago
Plastics manufacturing (retired)
Postwar and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , ,

Joel S. and Anne Ehrenkranz

New York
Investment banking
Contemporary art and photography
Top 200 appearance: , ,

Georges Embiricos

Lausanne, Switzerland
Shipping
Impressionism and modern art; Old Masters
Top 200 appearance: , , , , , , , , , , , , , ,

James O. Fairfax

Dorset, England; Sydney
Newspaper publishing
modern art; Old Masters
Top 200 appearance: , , , , , , ,

The Sainsbury family

London
Supermarkets
Impressionist, modern, and contemporary art
Top 200 appearance: , , , , , ,

Daniel Filipacchi

New York; Paris
Publishing
Modern art, especially Surrealism
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , ,

Doris and Donald Fisher

San Francisco
Retail (Gap Inc.)
Contemporary art, especially German and American
Top 200 appearance: , , , , , , , , , , , , , , , ,

Amalia Lacroze de Fortabat

Buenos Aires; New York
Inheritance (cement)
Argentine art; Impressionist and Post-Impressionist art
Top 200 appearance: , , , , , , , , , , ,

Baron Giorgio Franchetti

Rome
Investments
Contemporary art
Top 200 appearance: , , , ,

Josef and Anna Froelich

Stuttgart, Germany
Automobile industry
Contemporary art, especially German and American artists
Top 200 appearance: , , ,

Gilles and Marie-Françoise Fuchs

Paris
Cosmetics (Nina Ricci)
Contemporary art
Top 200 appearance: , , , , ,

Soichiro Fukutake

Okayama, Japan
Publishing
Contemporary art; Impressionism
Top 200 appearance: , , , , , , , , , , , , , , ,

Julian and Jo Ann Ganz, Jr.

Los Angeles
Retail stores (furniture)
19th-century American art
Top 200 appearance: , , , , , , ,

David Geffen

Los Angeles
Film and record production
Modern and contemporary art, especially Abstract Expressionism
Top 200 appearance: , , , , , , , , , , , , , , , , , ,

J. Paul Getty II

Buckinghamshire, England; London
Inheritance (oil)
19th-century European paintings; early printed books; Medieval manuscripts
Top 200 appearance: , , , , , , , , , , ,

Alfred C. Glassell, Jr.

Houston
Independent Oil Operator
Pre-Columbian and African art
Top 200 appearance: , , , , , , ,

Marsha and Jay Glazer

Mercer Island, Washington
Investments
Modern and contemporary art
Top 200 appearance: , , , , , , , , , ,

Arthur and Carol Goldberg

New York
Investment banking
Contemporary art
Top 200 appearance: , , , , , ,

Isabel Goldsmith

Beverly Hills, California; London; Mexico City
Inheritance (finance and minerals) and hotels
19th-century paintings, especially Victorian and Symbolist; Contemporary photography
Top 200 appearance: , , , , , , , , , , , , ,

Joseph Goldyne and Deborah Sperry Goldyne

San Francisco
Artist, inheritance
Old Master drawings and paintings
Top 200 appearance:

Giuliano Gori

Pistoia, Italy
Textile brokerage
Modern and contemporary art; site-specific art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , ,

Alex Goulandris

Gstaad, Switzerland; London
Shipping
Impressionist art
Top 200 appearance: , , , , , ,

Esther Grether

Basel, Switzerland
Pharmaceuticals and cosmetics distribution
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , ,

Hans Grothe

Bremen, Germany
Real-estate development
Contemporary art, especially German
Top 200 appearance: , , , , , , , , , , ,

Bob Guccione

New York
Publishing
Impressionist and Post-Impressionist art; Old Masters
Top 200 appearance: , , ,

Didier and Martine Guichard

Saint Etienne, France
Architecture practice and inheritance (supermarkets)
Contemporary art, particularly Minimalist
Top 200 appearance: , ,

Agnes Gund

Kent, Connecticut; New York; Peninsula, Ohio
Inheritance
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , , ,

Marie and Hugh Halff

San Antonio
Investments
American Impressionism
Top 200 appearance: , , , , , , , , , ,

Toshio Hara

Tokyo
Forestry and forestry products
Contemporary art
Top 200 appearance: , , , , , , , , ,

Neison and Bette Harris

Chicago
Manufacturing, real estate, and publishing
Impressionist and modern art
Top 200 appearance: , , , , , , ,

Manfred Heiting

Amsterdam; Brussels; Los Angeles
Business (American Express)
photography
Top 200 appearance: , , , , ,

Jorge S. Helft

Buenos Aires; New York
International business
Argentine art; Modern and contemporary art
Top 200 appearance: , , , , , ,

Ydessa Hendeles

Toronto
Investments
Contemporary art; photography
Top 200 appearance: , , , , , , , , , , , , , , , , , , , ,

Annick and Anton Herbert

Ghent, Belgium
Textile machinery
Conceptual art, Minimalism, arte povera, and 1980s art
Top 200 appearance: , , , , , , , , , , , , , , , , , ,

Mauro Herlitzka

Buenos Aires; New York
Diversified holding company
contemporary Argentine art; Old Masters
Top 200 appearance: , , , , , , ,

Donald Hess

Liebefeld-Bern, Switzerland
mineral water production; Vineyards and properties
International contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , ,

Marieluise Hessel

Jackson, Wyoming
Investments
Contemporary art
Top 200 appearance: , , , , , , , , , , , , , , ,

Rolf and Erika Hoffman

Berlin; Cologne, Germany
Fashion industry (retired)
Contemporary art
Top 200 appearance: , , , ,

Michal and Renata Hornstein

Bal Harbour, Florida; Montreal
Real-estate development
Old Masters, particularly 17th-century Dutch and Flemish painting
Top 200 appearance: , ,

Raymond and Margaret Horowitz

Geneva; New York
Law practice
19th-century American art
Top 200 appearance: , , , , , , ,

Jeffrey E. Horvitz

Beverly Farms, Massachusetts
Investments
Old Master drawings
Top 200 appearance: , , , , ,

Hikonobu Ise

Toyama, Japan
Egg production
Impressionist, modern, and contemporary art
Top 200 appearance: , , , , , , , ,

Morton L. and Linda Janklow

New York
Literary agency
Modern and contemporary art
Top 200 appearance: , ,

Stephane Janssen

Santa Fe; Scottsdale, Arizona
Inheritance
ceramics; CoBrA; Contemporary art
Top 200 appearance: , , , , ,

Dakis Joannou

Athens
Construction
Contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , , ,

Sam Josefowitz

Lausanne, Switzerland
Investments
African and pre-Columbian art; Old Master prints, Impressionist and modern art
Top 200 appearance: ,

Nicole Jullien Mattei

Paris
Medical practice
Contemporary art
Top 200 appearance: , , , , ,

Katsumi Kawamura

Tokyo
Chemical production (ink)
Impressionist, modern, and contemporary art
Top 200 appearance: , , , , ,

Gilbert and Ann Kinney

Washington, D.C.
Investments
Modern American art, particularly the New York School, and South and Southeast Asian art
Top 200 appearance: , , , ,

Sir Graham Kirkham

London; Yorkshire, England
Furniture manufacturing
19th- and early-20th-century British and French paintings
Top 200 appearance: , , ,

Robert Kogod

Washington, D.C.
Real-estate development
modern art
Top 200 appearance: , , , , , ,

Richard and Pamela Kramlich

San Francisco
Venture capitalism
Media art, particularly video
Top 200 appearance:

Simon Kwan

Hong Kong
Architecture practice
Early Chinese jade, ivory, and porcelain from Song to Qing dynasties
Top 200 appearance: , , , , , , ,

Baroness Marion and Baron Philippe Lambert

Geneva
Banking
Contemporary art; photography
Top 200 appearance: , , , , , ,

Emily Fisher Landau

New York; Palm Beach, Florida
Real estate
contemporary American art
Top 200 appearance: , , , , , , , , , , , , , , , , , ,

Jon and Barbara Landau

Rye, New York
Entertainment management
19th-century French painting; American modernist painting; Old Masters
Top 200 appearance: , ,

William Lane

Boston
Manufacturing (plastics)
American modernist painting, photographs
Top 200 appearance: , , , , ,

Leonard A. Lauder

New York
Cosmetics (Estée Lauder Companies)
Cubism
Top 200 appearance: , , , , , , , , , ,

Ronald S. Lauder

New York; Wainscott, Long Island
Cosmetics (EstÈe Lauder)
19th- and 20th-century art, especially German drawings; Old Masters; tribal art
Top 200 appearance: , , , , , , , ,

Thomas H. Lee and Ann Tenenbaum

East Hampton, New York; Lincoln, Massachusetts; New York; Palm Beach, Florida
Investment banking
Modern and contemporary art; photography
Top 200 appearance: , , , , , , , , ,

Robert and Carrie Lehrman

Forest Hills, New York; Washington, D.C.
Investments
Modern art, particularly Joseph Cornell
Top 200 appearance: , , ,

Gerhard Lenz

Soll, Austria
Management consulting
Contemporary European art
Top 200 appearance: , , , , , , , , , , , , , , ,

Peter Lewis

Cleveland
Insurance (Progressive)
Contemporary art, especially American conceptualism
Top 200 appearance: , , , , , , , ,

Peter and Irene Ludwig

Aachen, Germany
Manufacturing (chocolate)
Tribal to contemporary art
Top 200 appearance: ,

Karl-Heinrich Müller

Neuss, Germany
Industrial real estate brokerage
Chinese sculpture; Modern and contemporary art; Rembrandt etchings
Top 200 appearance: , , , , , ,

Achille and Ida Maramotti

Reggio Emilia, Italy
Clothing industry (Max Mara)
Modern and contemporary art
Top 200 appearance: , ,

Martin Z. Margulies

Key Biscayne, Florida
Real-estate development
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , , ,

Donald B. Marron

New York
Private equity
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , ,

Steve Martin

Los Angeles; New York
Actor; Entertainment
American art; Contemporary art
Top 200 appearance: , , , , , , , , , ,

Erich Marx

Berlin
Real estate and media
Contemporary art
Top 200 appearance: , , , , , ,

Micheline Maus

Paris
Department stores
modern painting
Top 200 appearance: , , , , , , ,

Frederick and Jan Mayer

Denver
Oil
Colonial Latin American art
Top 200 appearance: , , , , ,

Paul and Rachel Mellon

Upperville, Virginia
Inheritance (oil and banking)
Old Masters, Impressionist art, and 16th- to 19th-century English painting
Top 200 appearance: , , , , , , ,

François de Menil

New York
Inheritance (oil services)
Modern and contemporary art, Vienna Secession objects
Top 200 appearance: , , , , , ,

Werner Merzbacher

Zurich
Fur trading and finance
20th-century art, especially Fauvism and German Expressionism
Top 200 appearance: ,

Robert and Jane Meyerhoff

New York; Phoenix, Maryland
Inheritance (real estate)
Modern art, particularly postwar American abstraction
Top 200 appearance: , , , , , , ,

William Miller

New York
Duty-free outlets
19th-century painting; American abstraction; Old Masters
Top 200 appearance: , , , , , ,

Carlo Monzino

London; Milan; Venice
Department stores (retired)
African art; contemporary art, particularly installations; Renaissance art
Top 200 appearance: , , , ,

Peter Moores

London; Wigan, England
Soccer pools and mail-order business
15th- to 20th-century European art; archaic Chinese bronzes; contemporary British art
Top 200 appearance: , , , , , , , , , , , , , , , ,

Raymond D. Nasher

Dallas; New York
Real estate
Modern and contemporary art, especially sculpture
Top 200 appearance: , , , , , , , , , , , , , ,

Samuel I. and Victoria Newhouse, Jr.

New York
Publishing
Modern and contemporary art
Top 200 appearance: , , , , , ,

Peter and Eileen Norton

Santa Monica, California
Computer software
Contemporary art
Top 200 appearance: , , , , , , ,

Sammy Ofer

London; Monte Carlo, Monaco; New York; Tel Aviv
Shipping and real estate
Impressionism; modern art
Top 200 appearance: , , , , , , , , , , , , , , , , ,

Paul and Camille Oliver-Hoffmann

Chicago
Real-estate development
Contemporary art
Top 200 appearance: , , , , , , ,

George Ortiz

Paris; Vandoeuvres, Switzerland
Investments
15th-century Italian art; 18th-century European art; Antiquities; tribal art
Top 200 appearance: , , , , , , , , , , , , , , ,

Michael and Judy Ovitz

Los Angeles
Entertainment industry
African art; Modern and contemporary art
Top 200 appearance: , ,

Ronald O. Perelman

New York
Finance
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , ,

Alain-Dominique and Marie-Thérèse Perrin

Paris
Luxury goods (Cartier)
Contemporary art, particularly Minimalist
Top 200 appearance: , , , ,

François Pinault

Paris
Luxury goods (Kering) and auctions (Christie's)
Contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , ,

Ann and Ron Pizzuti

Columbus, Ohio; New York; Orlando, Florida
Real-estate development (The Pizzuti Companies)
Design; Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , ,

Jesús de Polanco and Mariluz Barreiros

Madrid
Media
Contemporary art
Top 200 appearance: , , ,

John and Kimiko Powers

Carbondale, Colorado
Publishing
antique Japanese art; Contemporary painting
Top 200 appearance: , , ,

Véronique and Louis-Antoine Prat

Paris
Inheritance (manufacturing)
17th-, 18th-, and 19th-century French drawings
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , ,

Joe D. and Etsuko Price

Los Angeles
Pipeline development (retired)
Edo-period Japanese art
Top 200 appearance: , , , , , ,

Robert Gore Rifkind

Los Angeles
Law practice
German Expressionist art
Top 200 appearance: , , , , , , , ,

George and Lee Ann Roberts

San Francisco
Investment banking
19th-century and modern painting; Contemporary art
Top 200 appearance: ,

David Rockefeller

Tarrytown, New York
Banking
19th-century American art; Impressionism; modern art; porcelain
Top 200 appearance: , , , , , , , , ,

Elie de Rothschild

London; Paris
Banking
Impressionism; modern art; Old Masters
Top 200 appearance: , , , , , , , , , , , , , , , , ,

Eric de Rothschild

Paris; Pauillac, France
Banking
Modern and contemporary art; Old Masters
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , ,

Donald and Mera Rubell

New York
Medical practice and real estate
Contemporary art
Top 200 appearance: , , , ,

Isaac and Betty Rudman

Miami; Santo Domingo, Dominican Republic
Imports and manufacturing (electrical products)
coins; Latin American art
Top 200 appearance: , , , , ,

Charles Saatchi

London
Advertising
International contemporary art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , ,

Martijn Sanders

Amsterdam
Orchestra management (Concertgebouw)
Contemporary art, particularly German
Top 200 appearance: , , , , , ,

Pieter and Ida Sanders

Schiedam, the Netherlands
Law practice
African art; Modern and contemporary art, particularly sculpture
Top 200 appearance: , ,

Fayez Sarofim

Houston
Investment counseling
19th-century American art; Coptic art; Modern and contemporary art; Old Masters
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , ,

Andrew and Denise Saul

New York
Retail clothing
Modern and contemporary art
Top 200 appearance: , , , , , , ,

Wilhelm Schürmann

Herzogenrath, Germany
Teaching (photography)
Contemporary art, particularly Conceptual
Top 200 appearance: , , , ,

Marianne and Alan Schwartz

Birmingham, Michigan
Law practice
19th-century and early 20th-century European and American prints; Old Masters
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , , , ,

John and Mary Shirley

Medina, Washington
Computer software (Microsoft)
Modern and contemporary art
Top 200 appearance: , ,

Tsukasa Shishima

Fukuoka, Japan
Banking
Modern and contemporary art
Top 200 appearance: , , , , , ,

Gilbert and Lila Silverman

Southfield, Michigan
Real estate
Contemporary art
Top 200 appearance: , ,

Carlos Slim Helú

Mexico City
Telecommunications, finance, and retail
modern art, especially Rodin; Old Masters; pre-Columbian and colonial Mexican art
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , ,

Robert Smith

Arlington, Virginia; London; Villefranche sur Mer, France
Real estate
17th-century Dutch and 18th-century Venetian paintings; Renaissance bronzes
Top 200 appearance: , , , , , , , , ,

Robert Sosnick

Bloomfield Hills, Michigan
Real estate
Contemporary art
Top 200 appearance: , ,

Reiner Speck

Cologne, Germany
Medical practice
Contemporary art
Top 200 appearance: , , , , , , , , , , , ,

Stuart and Judy Spence

Los Angeles
Industrial science and inventions; psychiatry
Contemporary art
Top 200 appearance: , , , , ,

Jerry and Emily Spiegel

New York
Real-estate development
Contemporary art
Top 200 appearance: , , , , , , ,

Ray Stark

Los Angeles; New York
Film producing
20th century outdoor sculpture; Contemporary art; Impressionist art
Top 200 appearance: , , , , , , ,

Saul and Gayfryd Steinberg

New York
Insurance; Investments; Real estate
Old Masters; Renaissance bronzes
Top 200 appearance: , , , , , ,

Arnold and Blema Steinberg

Montreal; New York
Investment banking
Modern and contemporary art
Top 200 appearance: , ,

Jeffrey Steiner

London
Aeronautics
Impressionism; Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , ,

Hans-Hermann Stober

Berlin
Real-estate development
Contemporary German art
Top 200 appearance: , , , , , ,

Michael and Eleanore Stoffel (spelling)

Cologne, Germany
Law practice and medical practice
Contemporary art
Top 200 appearance: , ,

Howard S. and Donna Stone

Chicago
Baking industry
Contemporary art
Top 200 appearance: ,

Norman and Norah Stone

Napa Valley, California; San Francisco
Law practice; psychology practice, and private investments
Modern and contemporary art
Top 200 appearance: , ,

Charles Tabachnick

North Miami Beach; Toronto
Real estate and investments
German Expressionism
Top 200 appearance: ,

Masahiro Takano

Tokyo
Taxi company
Modern art, particularly Marie Laurencin
Top 200 appearance: , , , , , ,

Joey and Toby Tanenbaum

Toronto
Real-estate development and hydroelectric power
19th-century European art, mainly French; Cycladic and Neolithic art
Top 200 appearance: , , , ,

Daniel and Judith Terra

Chicago; Giverny, France; Washington, D.C.
Printing
American Impressionist art and the Hudson River School
Top 200 appearance: , , ,

Hiroshi Teshigahara

Tokyo
Film directing and flower-arranging school
Modern and contemporary art
Top 200 appearance: , , , , , , , , , ,

David Thomson

Toronto
Media
Modern and contemporary art; Old Masters
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , , , ,

Kenneth and Marilyn Thomson

Toronto
Media, oil, travel, and retail
19th- and early 20th-century Canadian painting, Gothic and Renaissance miniatures; Chinese jade
Top 200 appearance: ,

Baroness Carmen and Baron Hans Heinrich Thyssen-Bornemisza

Madrid
Diversified holding companies
American art; European sculpture; Impressionism; Old Masters; Russian avant-garde art
Top 200 appearance: , , , , , , , , , , ,

Robert Tobin

San Antonio
Aerial surveying
Modern and contemporary American art
Top 200 appearance: , , , , , ,

Jean Alvarez de Tolédo

Paris
Shipping
Modern and contemporary art
Top 200 appearance: , , , , ,

Susie Tompkins

San Francisco
Retail clothing (Esprit)
20th-century photography
Top 200 appearance: , , , ,

T. T. Tsui

Hong Kong
Manufacturing (paint)
Chinese ceramics, ivory, and jade
Top 200 appearance: , , , , , , ,

Roberto T. Villanueva

Manila
Industry
Chinese ceramics; Philippine art
Top 200 appearance: , , , , , , , , ,

Martin Visser

Bergeyk, the Netherlands
Furniture design
Modern and contemporary art
Top 200 appearance: , , , , , ,

Carl and Carin Vogel

Hamburg, Germany
Art-school administration (retired)
Modern and contemporary art, particularly graphics
Top 200 appearance: , , , ,

Herbert and Dorothy Vogel

New York
U. S. Postal Service (retired)
Contemporary art
Top 200 appearance: , , , , , , ,

Thomas Walther

Berlin
Inheritance (machine-tool manufacturing)
19th- and 20th-century photography, especially modernist
Top 200 appearance: , , , , , , ,

Jack Warner

Tuscaloosa, Alabama
Manufacturing (Fire products, paperboard, and packaging)
19th-century American and European art, especially Impressionism
Top 200 appearance: , , , , , , , , , , , , , , , ,

Andrew Lloyd Webber

Berkshire, England; London
Entertainment
18th-, 19th-, and 20th-century British and American painting, especially Pre-Raphaelite; German Expressionism
Top 200 appearance: , , , , , , , , , , , , , , , , , , ,

John and Charlotte Weber

Ocala, Florida
Inheritance (Campbell's Soup)
19th-century European drawings, Impressionist, modern art; Chinese art
Top 200 appearance: , , , ,

Leslie Herbert Wexner

Aspen, Colorado; Columbus, Ohio; London
Retail clothing
Modern and contemporary art
Top 200 appearance: , , , , , , , , , , , ,

Leon Levy and Shelby White

New York
Investments
Antiquities
Top 200 appearance: , , , , ,

Dave H. and Reba Williams

Greenwich, Connecticut
Investments (Alliance Capital)
American prints
Top 200 appearance: , , , ,

Mitchell Wolfson

Genoa, Italy; Miami Beach
Investments
American and European decorative arts and propaganda arts, 1885-1945
Top 200 appearance: ,

Bagley and Virginia Wright

Seattle
Venture capital and lumber
Contemporary art; Japanese art, particularly textiles
Top 200 appearance: , , , , , ,

Jayne Wrightsman

New York
Inheritance (oil)
19th-century art; decorative arts; Old Masters
Top 200 appearance: , , , , , , ,

Reinhold Würth

Niedernhall, Germany; Salzburg, Austria
Industry (hardware)
Medieval art; Postwar and contemporary art; Wunderkammer objects, especially ivory carvings, nautilus cups, and decorative tankards and boxes
Top 200 appearance: , , , , , , , , , , , , , , , , , , , , ,

*Information is current to most recent appearance on the Top 200 List.