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Transcript of Scientist report
A German scientist named Walter Baade was his advisor. During this time Sandage was a graduate student assistant to cosmologist Edwin Hubble. He continued Hubble's research program after Hubble died in 1953.
Throughout the 1950s and 1980s Sandage was regarded as the best observational cosmologist, making contributions to all aspects of the cosmological distance scale, ranging from calibrators within our own Milky Way Galaxy, to cosmologically distant galaxies.
His research resulted in a doubling of the estimated age of the universe (from 1.8 to 3.6 billion years).
Sandage performed photometric studies of globular clusters, and calculated their age to be at least 25 billion years. This led him to speculate that the universe did not merely expand, but actually expanded and contracted with a period of 80 billion years
He graduated from the University of Illinois in 1948. In 1953 he received a Ph D from the California Institute of Technology
He was born in Iowa City, Iowa on June 18, 1926.
Died November 13, 2010
In 1959, Sandage married Mary Connelley, also an astronomer, he had two sons, David and John.
Sandage died of pancreatic cancer at his home in San Gabriel, California. He was 84 years old.
By Chance Williams