Neils Bohr (1885-1962), a Danish physicist received his Ph.D. from the University of Copenhagen in 1911. He spent a year with J.J. Thomson and Ernest Rutherford in England. In 1913, he returned to Copenhagen where he remained for the rest of his life. In 1920, he was named Director of the Institute of theoretical Physics. After first World War, Bohr worked energetically for peaceful uses pf atomic energy. He received the first Atoms for Peace award in 1957. Bohr was awarded the Nobel Prize in physocs in 1922.