By about 1950, forward-looking New York painting was seen as synonymous with abstraction, especially charged, gestural Abstract Expressionism. But there was also a strong group of dissenters: artists, all born in the 1920s and many of them students of Hans Hofmann, who never lost their enthusiasm for recognizable imagery, without rejecting Abstract Expressionism's love of malleable oil paint. Although most of them began as abstract artists, they...