Actor and singer Paul Robeson's performances in Othello, Show Boat, and The Emperor Jones made him famous, but his midcentury appearances in support of causes ranging from labor and civil rights to antilynching and American warmongering made him notorious. When Robeson announced at the 1949 Paris Peace Conference that it was "unthinkable" for blacks to go to war against the Soviet Union, the mainstream American press declared him insane.
Notions of Communism, blackness, and insanity were interchangeably deployed during the Cold War to discount activism such as...