I almost forgot, but I didn't!
Abraham Lincoln and Charles Darwin were both born on February 12, 1809.
I went to an exhibition about Darwin at the Natural History Museum in London, celebrating his 200th birthday and the On the Origin of Species' 150th. Apparently one of his children, visiting a friend's house, asked where the friend's father "did his brachiopods". Darwin collected and dissected brachiopods - apparently his children thought this was what all fathers did...
Interesting fact: Charles Darwin stopped making children exactly when he started to work on the natural selection theory (although he loved children pretty much) - so that selection is hardly fit for survival
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