A memorial to the late astronomer Clyde Tombaugh, discoverer of the planet Pluto ...

Clyde W. Tombaugh 1906-1997 Clyde Tombaugh reflects on his discovery of the planet Pluto during a visit to Powell Observatory in June of 1988. (C)1997 Vic Winter. Clyde Tombaugh-Discover of Pluto Dead at 90. Photo by Vic Winter Clyde Tombaugh talked to members of the Astronomical Society of Kansas City during a special meeting in June of 1988. Related sites: Clyde W. Tombaugh: The astronomer and ...