James Chadwick (20 oct. 1891 – 24 juill. 1974)
Description:
1891-1974 AD in England and Europe-Discovered the neutron
-Studied the power of polonium gamma rays
-At first believed the neutron was a complex particle consisting of a proton and an electron (disproved by Heisenberg)
Ajouté au bande de temps:
Date:
20 oct. 1891
24 juill. 1974
~ 82 years