Biography
k-Kuperman, Isaac 35 years old; CP; Received Passport# 365778 on February 5, 1937 which listed his address as 350 West 20th Street, NYC; Sailed February 10, 1937 aboard the Washington; Believed to have served with the 86th Brigade, 20th BN; Killed in action April 1937, Cordoba.Source: Scope of Soviet Activity; Americans and Canadians Killed in Spain Complete list to November 15, 1937; RGASPI Fond 545, Opis 6, Delo 927, ll. 43 fiche with dod.