Whittaker Chambers (April 1, 1901 – July 9, 1961), born
Jay Vivian Chambers and also known as
David Whittaker Chambers, was an American writer and editor. After his early years as a
Communist Party USA member and
Soviet spy, he renounced communism, became an outspoken opponent, and testified at
Alger Hiss's
perjury and espionage trial. He described both events in his book
Witness, published in 1952.