James Chadwick proved Ernest Rutherford's theory of the neutron (jan 1, 1932 – dec 31, 1932)
Description:
He was able to determine that the neutron did exist and that its mass was about 0.1 percent more than the proton's. He published his findings with characteristic modesty in a first paper entitled "Possible Existence of Neutron." In 1935 he received the Nobel Prize for his discovery.Added to timeline:
Date:
jan 1, 1932
dec 31, 1932
~ 12 months