A central fixture in New York's conceptualist Neo-Geo scene of the 1980s, Peter Halley's work all but disappeared from the city's galleries by the start of the '90s, and for the subsequent decade was…
The first artwork in the latest gallery show of Heinz Mack—catalytic cofounder of the Zero group in the late 1950s and a firebrand ever since—is a systematic explosion of color. Large in scale…