Clyde Tombaugh was an American astronomer renowned for his discovery of Pluto in 1930. Born on February 4, 1906, in Streator, Illinois, Tombaugh developed a keen interest in astronomy at a young age. His relentless passion led him to create his own telescopes and conduct observations. In pursuit of a career in astronomy, he applied to the Lowell Observatory in Arizona, where he was tasked with searching for a ninth planet, referred to as "Planet X." His extensive photographic analysis and meticulous comparison of images finally paid off, leading to the identification of Pluto. This discovery not only heightened interest in the outer solar system but also established Tombaugh as a prominent figure in the field of astronomy. He continued to work on various astronomical projects, helping to expand our understanding of celestial bodies. Tombaugh's contributions went beyond Pluto; he also discovered various asteroids and worked on the study of the Milky Way galaxy. His career was marked by a commitment to education and public outreach, inspiring future generations of astronomers. Clyde Tombaugh passed away on January 17, 1997, leaving a lasting legacy in the world of astronomy. Clyde Tombaugh was an American astronomer famous for discovering Pluto in 1930. Born in Illinois, his fascination with astronomy began early in his life, inspiring him to build his own telescopes and make celestial observations. He sought a career in astronomy and eventually joined the Lowell Observatory in Arizona. At the observatory, Tombaugh conducted systematic searches for a hypothesized ninth planet, which ultimately led to the identification of Pluto. His work not only made significant contributions to our understanding of the solar system but also established him as a key figure in astronomy. In addition to Pluto, Tombaugh discovered numerous asteroids and engaged in research on the Milky Way. He was dedicated to public education in science, encouraging interest in astronomy among young people. His passing in 1997 marked the end of a notable career that profoundly impacted the field.