17 ore 56 min, 1 gen 1848 anni - In 1848, he became professor of anatomy at the University of Liege where he worked on a human respirator for environments where the surroundings are not breathable.
Aggiunto al nastro di tempo:
Data:
17 ore 56 min, 1 gen 1848 anni
Adesso
~ 176 years ago
