Kesten was a Galician-born, German-Jewish writer and publisher who had fled Germany in 1933 and eventually emigrated to the U.S. in 1940, where he was active in the work of the Emergency Rescue Committee, in New York City. Alfred Wolfenstein was a German Expressionist poet, as well as dramatist and prose writer, who, threatened by arrest in 1933, had fled to Prague, and in 1939 to France. When German troops occupied Paris he was imprisoned for a short time, escaped, and lived thereafter on the run; he committed suicide in Paris in 1945.
From the description of Correspondence to Franz Werfel, 1942. (University of Pennsylvania Library). WorldCat record id: 155863642
British Library Archives and Manuscripts Catalogue : Person : Description : ark:/81055/vdc_100000000758.0x00030f