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Caryn Navy Caryn Linda Navy (born July 5, 1953) is an American mathematician and computer scientist. Blind since childhood, she is chiefly known for her work in set-theoretic topology and Braille technology. ==Early life== Navy was born in Brooklyn, New York in 1953. Born premature, she was diagnosed as totally blind from retinopathy of prematurity. Her family soon discovered that she could actually see from the corner of one eye, but at age 10 she lost all sight due to retinal detachment.〔 The next year, in sixth grade, Navy began learning to read and write Braille at school. She also learned the Nemeth Braille system for writing mathematics,〔 which became her favorite subject. She enjoyed team math competitions, and at age 14 independently rediscovered Euclid's formula for even perfect numbers.〔 She also learned Hebrew Braille in preparation for her bat mitzvah service.〔 At age 16 Navy was hired for her first job, as a Dictaphone typist in New York City. She took a class to learn to travel the New York City Subway.〔
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