1895. Discovery of X-rays. Researchers and scholars are true martyrs, because they do not know how to protect themselves against radiation dermatitis. Professor Belcour has to have one hand amputated, his assistant Henri Vermont, aware of the danger, has the courage to break up with his fiancée. Withdrawn to the countryside, they eventually recover.
| Directing | Yvan Noé | Director |
| Writing | Yvan Noé | Writer |
| Camera | Fred Langenfeld | Director of Photography |
