Question: Did Kalman Bloch and Phyllis O'Donnell share the same nationality?
Sentence (from "Kalman Bloch"): As recounted in the April 21, 1956 Los Angeles Times article" Spectators Stir Uproar at Red Probe," Bloch was forced to testify before the House Un- American Activities Committee( HUAC) for his and his wife's( artist Frances Bloch- Heifetz) progressive activities in Southern California after World War II.
Relevant evidence: Yes