- Born
- Died
- Birth nameGeorge Robert Crowningshield
- Nickname
- Bob
- G. Robert Crowningshield was born on June 16, 1919 in Colorado Springs, Colorado, USA. He died on November 8, 2006 in Hightstown, New Jersey, USA.
- Considered the father of modern gemological research in spectrometry.
- A founding father of the Gemological Institute of America, where he was the mainstay for more than 55 years.
- Served with the U.S. Navy, during World War II, from 1942-1945.
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