Superb Warner Bros. biodrama starring Edward G. Robinson as Dr. Paul Ehrlich, the German physician who developed Salvarsan, the first treatment for syphilis. The film traces Ehrlich's fascinating life from his work detecting blood diseases and the problems in finding funding for research to his personal crises. With Ruth Gordon, Otto Kruger, Donald Crisp, and Maria Ouspenskaya. 103 min. Standard; Soundtrack: English Dolby Digital mono.