Leland Cunningham

Leland Erskin Cunningham (February 10, 1904, in Wiscasset, Maine – May 31, 1989, in Richmond, California) was an American astronomer and discoverer of minor planets. In a career spanning 50 years, he became an authority on orbit theory and on precise measurements of the orbits of comets, planets, satellites, and space probes. He was also an early authority on electronic digital computers and assisted in their construction and use in orbit calculations.