In 1944, Elinor S. Gimbel founded a Popular Front group called the Non-Partisan Committee to support Franklin Delano Roosevelt's 1944 presidential campaign.

[10] Guided by Herbert Croly, founder of The New Republic magazine, the PCA formed from the NC-PAC and the Independent Citizens Committee of the Arts, Sciences and Professions (ICCASP).

[8] Former US Vice President Henry A. Wallace and former New York City Mayor Fiorello LaGuardia spoke at the PCA's founding convention in December 1946.

[1] The PCA opposed the Truman Doctrine and Loyalty Boards; it gave limited, qualified support to the Marshall Plan.

On October 15, 1947, Eleanor Roosevelt attacked the PCA in her "My Day" column: It is a strange thing that groups of our own citizens, supposedly liberals, and the new (old) Information Bureau of the Communist Parties of Europe, which we ordinarily allude to as the Comintern, are condemning with one voice the Marshall proposals!...

[1] The PCA was unwillingly responsible in part for the final downfall of Popular Front organizations, as its counterpart ADA "attracted liberal intellectuals who wanted to purge the left of all Communist Party influences.

[4][1] Hugh De Lacy headed the PCA in the state of Washington at some time; Thomas G. Moore was executive secretary there.

[14] PCA members included Dalton Trumbo, Charlotta Bass, Edward Biberman, Philip N. Connelly, Earl Robinson, Charles Katz, Robert W. Kenny, John Howard Lawson, Harold Orr, Dr. Linus Pauling, and Frank Tuttle.

[20] On February 21, 1950, actor Gregory Peck testified that he had been a PCA member and had resigned when offered to join its executive board, at which time he learned more about how its "true aims and activities were subversive.

"[15] On September 17, 1954, Mrs. Lynn Akerstein testified in Los Angeles that she had joined the PCA in June 1947 as an executive secretary, where she stayed until February 1948.