31 дек 1931 г. - James Chadwick
James chadwick was a British scientist
that was born on October 20 1981
born in Bollington and died on july 24 1974.
Discovery of neutron is Chadwick’s greatest work.
It not only contributed to the better understanding of
nucleus, but also paved the way towards the fission
of Uranium 235, which ultimately
led to the creation of the atomic bomb.