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 |
| Camera | Tony Gaudio | Director of Photography |
| Production | Hal B. Wallis | Executive Producer |
| Editing | Ralph Dawson | Editor |
| Sound | Heinz Roemheld | Music |
| Production | Jack L. Warner | Executive Producer |
| Costume & Make-Up | Milo Anderson | Costume Design |
| Art | Robert M. Haas | Art Direction |
| Directing | Frank Shaw | Assistant Director |
| Sound | Charles Lang | Sound |
| Directing | Irving Rapper | Assistant Director |
| Writing | Sheridan Gibney | Story |
| Sound | Leo F. Forbstein | Music Director |
| Writing | Pierre Collings | Story |
