PT: The 18th-century battle over lunar motion

[RJN]

http://ptonline.aip.org/journals/doc/PH ... 27_1.shtml

In a dispute with more than just scientific import, Alexis Clairaut, Leonhard Euler, and Jean le Rond d’Alembert each employed their own strategies to establish that they were the first to understand a puzzling feature of the Moon’s orbit.