A true story about Louis Pasteur, who revolutionized medicine by proving that much disease is caused by microbes, that sanitation is paramount and that at least some diseases can be cured by vaccinations.
| Directing | William Dieterle | Director |
| Writing | Sheridan Gibney | Screenplay |
| Writing | Pierre Collings | Screenplay |
| Production | Hal B. Wallis | Executive Producer |
| Production | Jack L. Warner | Executive Producer |
| Sound | Heinz Roemheld | Music |
| Camera | Tony Gaudio | Director of Photography |
| Editing | Ralph Dawson | Editor |
| Art | Robert M. Haas | Art Direction |
| Costume & Make-Up | Milo Anderson | Costume Design |
| Directing | Irving Rapper | Assistant Director |
| Directing | Frank Shaw | Assistant Director |
| Sound | Charles Lang | Sound |
| Writing | Sheridan Gibney | Story |
| Writing | Pierre Collings | Story |
| Sound | Leo F. Forbstein | Music Director |
