TOMBAUGH; Clyde W.; 1906-1997; USA

Amateur whose planetary drawings were noticed by SLIPHER, Tombaugh was hired by Lowell Observatory in 1928 to conduct a search for a trans-neptunian planet; he found it on February 18th 1930 and it was named Pluto. During his career, he found 5 open clusters, a globular cluster, nova 1932 Corvus, ...