Ralph Walter Graystone Wyckoff


Ralph Walter Graystone Wyckoff

Infobox Scientist
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birth_date = August 9, 1897
birth_place = Geneva, New York
death_date = November 3, 1994
death_place = Tucson, Arizona
residence =
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nationality = United States
ethnicity =
field =
work_institutions = University of Arizona
alma_mater = Cornell University
doctoral_advisor = Shoji Nishikawa
doctoral_students =
known_for = X-ray crystallography
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prizes =
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Ralph Walter Graystone Wyckoff (born August 9, 1897 in Geneva, New York; died November 3, 1994 in Tucson, Arizona) was an American scientist and pioneer of X-ray crystallography.

He was the son of judge Abram Ralph Wyckoff and Ethel Agnes Catchpole. He studied at Hobart College, where he made bachelor of science, continued at Cornell University, and published his first scientific paper (of more than 400) at the age of nineteen. Under Shoji Nishikawa, he presented his thesis about the crystallographic resolution of the structures of NaNO3 and CsICl2 in 1919.

He continued working in X-ray crystallography and wrote several books about the topic. He moved to the Rockefeller University, which he left again in 1937 to take up studies of bacteria and, especially, viruses. In Ann Arbor, he invented a technique to take three-dimensional electron microscope images of bacteria. From 1946 to 1952, he researched macromolecules and viruses at the National Institutes of Health in Bethesda. Later appalled by growing bureaucracy at the NIH, he took the job of professor of microbiology and physics at the University of Arizona in Tucson, where he was forced to retire at the age of 80.

Wyckoff was married two times, the first time producing one son Ralph W.G. Wyckoff, Jr., the second marriage resulted in two daughters.

External links

* [http://www.iucr.org/iucr-top/people/wyckoff.htm Biography]

Persondata
NAME=Wyckoff, Ralph Walter Graystone
ALTERNATIVE NAMES=
SHORT DESCRIPTION=American scientist and pioneer of X-ray crystallography.
DATE OF BIRTH=August 9, 1897
PLACE OF BIRTH=Geneva, New York
DATE OF DEATH=November 3, 1994
PLACE OF DEATH=Tucson, Arizona


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