Fritz Bleichröder
Fritz Bleichröder (January 12, 1875, in Berlin – November 8, 1938, in Berlin) was a German Jewish physician, best remembered for his research and experiments with catheters and cardiac catheterization alongside Werner Forssmann and Ernst Unger. He was a nephew of Gerson von Bleichröder. References 

1875 births
1938 deaths
German physicians