(1) said it would set the atmosphere on fire and possibly destroy the world. Ironically, (2) said it wouldn’t work at all. (3) came closest and won it in the end. What? also, who are (1), (2) and (3)?

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Answer:

Enrico Fermi (1) started a betting pool on the outcome of the Trinity nuke test. Oppenheimer (2) thought it wouldn’t work. Isidor Isaac Rabi (3) won with his guess of 20 Kilotons being the closest.