Erwin Marquit: Jon's Amazing Uncle Irwin

Neither FBI surveillance nor being blacklisted for jobs ever caused him to deny his principles, even as the party “went underground” during the 1950s, when Sen. Joseph McCarthy famously accused American Communists of ­treason.

Back then, he said, when someone called a party meeting, “there was a knock on the door and a messenger would hold up a piece of paper that told when and where.”
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