William G. Tifft

William G. Tifft (April 5th, 1932 - May 4th, 2022) was an astronomer at the University of Arizona. His main interests were in galaxies, superclusters and redshift quantization. He was influential in the development of the first redshift surveys, and was an early proponent of crewed space astronomy, conducted at a proposed Moon base for example. In retirement, he was a principal scientist with The Scientific Association for the Study of Time in Physics and Cosmology (SASTPC).

He had an A.B. in Astronomy from Harvard University (1954), and Ph.D. in Astronomy from the California Institute of Technology (1958) where he wrote his dissertation on photoelectric photometry.

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