Inventor of the Horse-Drawn Reaper,

       [Pennsylvania Genealogies, by William Henry Egle published in 1896:] 

       Robert McCormick (June 8, 1780 - July 4, 1846) was an American inventor, who invented numerous devices including a version of the reaper which his eldest son Cyrus would patent in 1834.

       McCormick was born on the family estate ...