Isaac "Pop" Folkoff also known as "Volkov,"[1] "Folconoff,"[2] and "Uncle"[3] (1881[4]–1975), was a senior founding member of the California Communist Party and West Coast liaison between Soviet intelligence and the Communist Party USA (CPUSA).
[4] A former garment presser and self-taught Marxist philosopher, Folkoff specialized in fund-raising for party causes.
He worked as a courier passing information to and from Soviet sources, and as a talent spotter and vetter of potential espionage recruits.
Notes taken in 1939 by Adolph Berle show that Whittaker Chambers told him: West Coast-Head : "The Old Man"-Volkov is his real name - daughter a Comintern courier.
He knows the West Coast underground-Residence: San Francisco or Oakland[1]When Grigory Markovich Kheifitz, formerly personal secretary to Lenin's wife Nadezhda Krupskaya, came to San Francisco in 1941, he began meeting with Folkoff to develop information and recruit intelligence workers among American Communists.