Arthur R. Upgren

Arthur R. Upgren was an American astronomer and author known for his research in astrometry and his popular science books. He taught at Wesleyan University and wrote titles like 'Night Has a Thousand Eyes: A Naked-Eye Guide to the Modern Sky' and 'Many Skies: Alternative Histories of the Sun, Moon, Planets, and Stars.' His work helped popularize astronomy for general readers.