Anna Estelle Glancy - Wikipedia
Anna Estelle Glancy (20 October 1883 – 19 May 1975) was an astronomer, computer and lens designer whose work with Edgar Tillyer at the American Optical Company improved the optics of eyeglasses, cameras, telescopes, and military optical instruments. She was born and died in Waltham, Massachusetts.. Publications. Glancy, A. (1909). Observations of comets and asteroids.