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HILL, GEORGE WILLIAM SIGNED CARD, MATHEMATICAL ASTRONOMER, ORBITS OF MOON & PLANETS

$150.00

Description

MATHEMATICIAN WHO WORKED ON THE MATHEMATICS TO CALCULATE THE ORBITS OF THE MOON AROUND THE EARTH, AS WELL AS THAT OF PLANETS AROUND THE SUN

GEORGE WILLIAM HILL (1838-1914) SIGNED CARD, “George William Hill”, on a card 3.25 x 1, by the American astronomer and mathematician who made major contributions to celestial mechanics and to the theory of ordinary differential equations. He was awarded the Royal Societies Copley Medal “on the grounds of his researches in mathematical astronomy. The card is in fine condition, with minor age toning and the date, “1909”, in another hand lower left.

$150   #12593