George William Hill

George William Hill ( March 3, 1838 in New York; † April 16, 1914 in West Nyack, New York ) was an American astronomer and mathematician whose methods are used for path calculation until today. He was with his work on perturbations and the three-body problem the most important theoretical astronomer of his time.

Hill finished his studies in 1859 at Rutgers University from. From 1861 he worked at the Nautical Almanac Office in Massachusetts. Here he worked intensively with the moon's orbit theory and advanced mathematical methods for the approximate solution of the three- body problem - in particular the Hill'sche differential equation. To the planet orbits around the sun for the astronomical yearbooks to expect ahead accurately, he also contributed to solutions of the many-body problem.

In the years 1894-1896 he was president of the American Mathematical Society. Between 1887 and 1910 he won several scientific awards in England and France (1887 Gold Medal of the Royal Astronomical Society ) and was elected in 1910 in several royal academies - including those of Edinburgh, Belgium, Italy and Sweden.

According to him, the Hill sphere, the hill 's equations, the asteroid (1642 ) Hill and the Hill lunar craters are named.