Who discovered Pluto in 1930?

Pluto was discovered by the American astronomer Clyde Tombaugh on February 18, 1930.12

Tombaugh was working at the Lowell Observatory in Flagstaff, Arizona, where he had been tasked with locating a ninth planet—a search originally instigated by astronomer Percival Lowell in 1905. Using a 33-cm telescope and an instrument called a blink comparator to examine photographic plates, Tombaugh successfully identified the celestial body, and the discovery was officially announced on March 13, 1930.312