1920 – Born in Lithuania.
1938 – Immigrated to the United States.
1942 – He joined the army and worked in the De-Nazification Section.
1945 – He studied at the Chicago Art Institute and the Art Students League, New York, and married May Stevens, an arts activist.
1949-1950 – He studied in Paris with Fernand Læger.
1960-1990 – A painter, political abstractionist and self-styled practitioner of "socialist formalism," he led virtually every progressive political movement within the New York art world.
1998 – Died this year.