These works included several abstract expressionist paintings - allegedly never before exhibited - including so - called works by gesturalists Jackson Pollock and Robert Motherwell, and by colour field painter Mark Rothko. (visual-arts-cork.com)
Starting out as a conventional representational painter, he turned to abstract art in his late 30s, partly under the influence of the great gesturalist Willem de Kooning (1904 - 97). (visual-arts-cork.com)
For analysis of works by gesturalist painters like Willem de Kooning, please see: Analysis of Modern Paintings (1800 - 2000). (visual-arts-cork.com)