Niels Hendrik David Bohr Niels Hendrik David Bohr was one of the foremost scientists of the 20th century. The Nobel prizewinning physicist was known for his development of the theory of atomic fission that led to the development of the atomic bomb. He was born on Oct. 7, 1885, in Copenhagen, D...

The atomic bombs used in World War II were a huge scientific advance, but also will be long remembered because of their radiation effects. Although the weapon was the most destructive of any in World War II, it was one of the advantages the U. S. was able to use in order to defeat Japan. Leo Szilard...

In the 1930s, some scientists theorized that bombarding an atom's nucleus with a neutron from another atom would cause the first atom to split in two. The splitting atom would release another neutron, which would then strike a neighboring atom, causing it to split, and so on. It was thought that ea...

Sir Marcus Laurence Elwin Oliphant Steven Duncan 594 words Marcus Laurence Elwin Oliphant, was the eldest of five sons, and was born in 1901 in Kent Town, near Adelaide, South Australia. His father was a civil servant and his mother was an artist. Oliphant was interested in a career in medicine...