In 1965, physicist Richard Feynman was busy. He was busy winning the Nobel Prize, and he was busy learning to draw. One day during that productive time in his life, he saw astrophysics student Virginia Trimble striding across Caltech's campus and thought, There's a good model. Soon, she was posing for him a couple Tuesdays a month, in exchange for $5.50 each session and a lot of physics talk.

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