![Before he developed the atomic bomb, J. Robert Oppenheimer's early work revolutionized the field of quantum chemistry – and his theory is still used today Before he developed the atomic bomb, J. Robert Oppenheimer's early work revolutionized the field of quantum chemistry – and his theory is still used today](https://images.theconversation.com/files/541027/original/file-20230803-25-pvmco1.jpg?ixlib=rb-1.1.0&rect=0%2C0%2C2615%2C1307&q=45&auto=format&w=1356&h=668&fit=crop)
Before he developed the atomic bomb, J. Robert Oppenheimer's early work revolutionized the field of quantum chemistry – and his theory is still used today
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Hand-cranked calculator used by Deng Jiaxian and his teamfor the development of China's first atomic bomb | National Museum of China
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