George Ritchey

Born: 1864, Meigs County, Ohio, USA

Died: 1945, Azusa, California

Ritchey was a practical genius rather than a great theoretician, but he developed deep understanding of the theoretical requirements of reflecting telescopes. His encouragement of, and association with, Chretien produced the Ritchey-Chretien form, the modern form of 2-mirror aplanatic telescope. His advances in figuring and test technology were also a major contribution. (Courtesy U.S. Naval Observatory, through Brenda Corbin)

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