Engler, Adolf
born 25. March 1844 in Sagan; died 10. October 1930 in BerlinHaberlandt, Gottlieb
born 28. November 1854 in Magyaróvár; died 30. January 1945 in BerlinSchweinfurth, Georg
born 29. December 1836 in Riga; died 19. September 1925 in Berlin