Op‧pen‧hei‧mer, J. Rob‧ert /ˈɒpənhaɪməʳ $ ˈɑː- ˈrɒbət $ ˈrɑːbərt/
(1904–67) a US physicist who led the team of scientists on the Manhattan Project (1942–45), the secret plan to develop the first atom bomb

[TahlilGaran] Dictionary of Contemporary English ▲