August 23rd, 1930 - August 10, 2006.

Part of the team that designed Nautilus (the world's first nuclear submarine), designed nuclear payloads for two Apollo missions, designed numerous reactor safety systems still in use worldwide. Was in the middle of a heated, by-mail debate about string theory with an old work colleague when he died. Loved deeply (and in spite of himself) by his family. Bye, Dad.

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