Jean Comandon, pioneer of microcinematography, recorded this time-lapse film in c. 1910, using a ultramicroscope. The film show living spiral shaped syphilis bacteria moving among red blood cells of frog. Notice the back-and-forth movement, characterizing the disease-causing form. (Wikipedia)
| Directing | Jean Comandon | Director |
| Crew | Jean Comandon | Cinematography |
| Production | Charles Pathé | Producer |
