Perley Ason Ross (6 April 1883 – 13 March 1939) was a U.S.
experimental
physicist who worked, carefully and without seeking publicity, at some essential problems in the behaviour of
X-rays.
Born in
Panacea, Missouri he was awarded his PhD from
Stanford University
Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...
in 1911, becoming a full professor there in 1927, after a year at
Cornell University.
Some of his principal studies included:
*
Scattering
Scattering is a term used in physics to describe a wide range of physical processes where moving particles or radiation of some form, such as light or sound, are forced to deviate from a straight trajectory by localized non-uniformities (including ...
of X-rays by
matter;
*Development of the
Ross differential filter Ross or ROSS may refer to:
People
* Clan Ross, a Highland Scottish clan
* Ross (name), including a list of people with the surname or given name Ross, as well as the meaning
* Earl of Ross, a peerage of Scotland
Places
* RoSS, the Republic of Sout ...
for X-ray
spectroscopy
Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation. Matter wa ...
;
*X-ray
polarization
Polarization or polarisation may refer to:
Mathematics
*Polarization of an Abelian variety, in the mathematics of complex manifolds
*Polarization of an algebraic form, a technique for expressing a homogeneous polynomial in a simpler fashion by ...
;
*
Compton scattering; and
*
Radiative Auger effect.
His daughter, Betsy, married fellow Stanford physicist
William Webster Hansen
William is a male given name of Germanic origin.Hanks, Hardcastle and Hodges, ''Oxford Dictionary of First Names'', Oxford University Press, 2nd edition, , p. 276. It became very popular in the English language after the Norman conquest of Eng ...
.
[Süsskind, C. (1981) "Hansen, William Webster" in ]
References
1883 births
1938 deaths
Stanford University alumni
Stanford University Department of Physics faculty
Fellows of the American Physical Society
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