Beckmann, Maxborn 12. February 1884 in Leipzig; died 27. December 1950 in New York, NY
Dorn, Philipborn 30. September 1903 in Scheveningen; died 9. May 1975 in Los Angeles, Calif.
Kesten, Hermannborn 28. January 1900 in Podvolochissk; died 3. May 1996 in Basel