Overview
In the face of two world wars, Professor Prätorius, a philanthropist and a surgeon, wants to exterminate the one danger to mankind, the microbe of stupidity, as he states in a spontaneous lecture to his male and female students. When he tries to help a pregnant girl he gets involved more and more in her life and is forced to marry her.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 61 | September 12, 1960 (71) | |
 | 55 | April 4, 1986 (91) | |
 | 61 | March 11, 1957 (68) | |
 | 65 | February 4, 1957 (72) | |
 | 50 | December 22, 1983 (84) | |
 | 48 | January 1, 1961 (59) | |
| 62 | December 17, 1974 (87) | |
 | 74 | March 12, 1961 (85) | |
 | 58 | July 6, 1952 (61) | |
| - | - |