Happy Birthday
President Garfield!

Born:  November 19, 1831
at Orange, Ohio

Died:  September 19, 1881
at Elberon, NJ

Several years before becoming president, Garfield published an original proof of the Pythagorean Theorem in the New England Journal of Education.

[ Briefly, the sum of the areas of the three triangles equals the area of the trapezoid. ]