[crater] This crater has been eroded and damaged by subsequent impacts, particularly in the southern half of the formation. The satellite crater Clairaut A lies across the southeastern rim. The southern rim has been modified by several small craters, including Clairaut B. On the southeastern interior floor is the small crater Clairaut C. In...
Found on
http://en.wikipedia.org/wiki/Clairaut_(crater)

1713–65, French mathematician.
Found on
https://www.infoplease.com/dictionary/clairaut
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