
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 Withdrawn to the countryside, they eventually recover.
Cast

Madeleine Sologne
Madeleine

Claude Dauphin
Henri Vermont

Jean Murat
Professor Bellecour

Janine Darcey
Denise

Pierrette Caillol
Precursor

Gérard Landry
Jacques Monval

Marthe Régnier
Sick woman
Georges Alain
Pierre

Jean d'Yd
Doctor
Lucien Dalmas
Singer

Jean Daurand
Joseph
Roger Hédouin
Unknown

Georges Lannes
Gérard
Emmi Laurence
Unknown

Jean-François Martial
Unknown
Marcel Millet
Unknown
René Noël
Unknown
Arlette Perretière
Unknown
Jean Stoll
Dancer
Maurice Tricard
Madeleine's father
Michèle Verneuil
Unknown
Pierrette Vial
Unknown