Of the generation following the abstract expressionists, Don Judd was one of the key figures among American artists who pioneered new directions in the 1960s. He was born in the Midwest in 1928, eventually settled in New York and supported himself by writing for art magazines. At Columbia University, under Rudolf Wittkower and Meyer Schapiro, he earned a masters degree in art history. Judd had begun as a painter but soon was drawn to making objects...