Years: 1928 - 2016
Hometown: Philadelphia, PA
Education: Ph.D. in Astronomy
Expeditions: Into space, using telescopes in the USA and Chile. Also visited astronomers and telescopes at the South Pole.
Favorite Place to Be: At an astronomical observatory
Best Discovery: Discovering that most of the matter in the universe is “dark matter”
Favorite Items in the Field: A telescope
Personal Hero: Maria Mitchell, 1818-1888, the first US woman astronomer
Book: Bright Galaxies, Dark Matters
Advice: Don’t quit. You can do it.