Grant began her career in public relations in New York City . Meanwhile , she attended the 6th World Festival of Youth and Students in Moscow , Soviet Union in 1957 , alongside 140 other Americans . She also visited China alongside 56 other Americans , even though US citizens were not allowed to visit the communist nation at the time . She also visited India , Africa and Cuba . Upon her return to New York City , she served as an assistant to civil rights leader W. E. B. Du Bois . On February 3 , 1960 , she was exposed by the House Un-American Activities Committee as a member of the Communist Party USA
6th World Festival of Youth and Students
6th World Festival of Youth and Students
Joanne Grant