15 h 42 min, 27 avr. 1918 ans - He received his doctorate from the University of Neuchatel in 1918 and then undertook post doctoral training at the University of Zurich from 1918 to 1919.
Ajouté au bande de temps:
Date:
15 h 42 min, 27 avr. 1918 ans
Maintenaint
~ Il y a 106 ans
