jan 1, 1935 - James Chadwick
Description:
James Chadwick was a British physicist who won a Nobel prize for the discovery of the neutron. How he discovered it is that he knew like things repel each other and because the nucleus is mad up of positively charged particles they should repel each other so there had to be somthing holding them together which is where the nuetorn came in.
Added to timeline:
Date: