Allan Sandage
Born: June 18, 1926
Died: November 13, 2010 (aged 84)
Bio: Allan Rex Sandage was an American astronomer. He was Staff Member Emeritus with the Carnegie Observatories in Pasadena, California. He determined the first reasonably accurate values for the Hubble constant and the age of the universe. He also discovered the first quasar.
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