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Richard Threlkeld Cox
 
 
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Richard Threlkeld Cox (1898 - May 2, 1991) was a professor of physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 at Johns Hopkins University
Johns Hopkins University

The Johns Hopkins University, commonly referred to as Hopkins or JHU, is a private university research university located in Baltimore, Maryland, Maryland, United States....
, known for Cox's theorem
Cox's theorem

Cox's theorem, named after the physicist Richard Threlkeld Cox, is a derivation of the laws of probability theory from a certain set of postulates....
 relating to the foundations of probability
Probability

Probability, or wikt:chance, is a way of expressing knowledge or belief that an Event will occur or has occurred. In mathematics the concept has been given an exact meaning in probability theory, that is used extensively in such areas of study as mathematics, statistics, finance, gambling, science, and philosophy to draw conclusions about t...
.

He was born in Portland, Oregon
Portland, Oregon

Portland is a city located in the Northwestern United States United States, near the confluence of the Willamette River and Columbia River rivers in the state of Oregon....
 the son of attorney Lewis Cox and Elinor Junkin Cox. After Lewis Cox died, Elinor Cox married John Latané, who became a professor at Johns Hopkins University in 1913. In 1915 Richard enrolled at JHU to study physics, but his studies were cut short when he was drafted for World War I
World War I

World War I, or the First World War , was a global military conflict which involved the Great powers, organized into two opposing military alliances: the Allies of World War I and the Central Powers....
.






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Richard Threlkeld Cox (1898 - May 2, 1991) was a professor of physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 at Johns Hopkins University
Johns Hopkins University

The Johns Hopkins University, commonly referred to as Hopkins or JHU, is a private university research university located in Baltimore, Maryland, Maryland, United States....
, known for Cox's theorem
Cox's theorem

Cox's theorem, named after the physicist Richard Threlkeld Cox, is a derivation of the laws of probability theory from a certain set of postulates....
 relating to the foundations of probability
Probability

Probability, or wikt:chance, is a way of expressing knowledge or belief that an Event will occur or has occurred. In mathematics the concept has been given an exact meaning in probability theory, that is used extensively in such areas of study as mathematics, statistics, finance, gambling, science, and philosophy to draw conclusions about t...
.

He was born in Portland, Oregon
Portland, Oregon

Portland is a city located in the Northwestern United States United States, near the confluence of the Willamette River and Columbia River rivers in the state of Oregon....
 the son of attorney Lewis Cox and Elinor Junkin Cox. After Lewis Cox died, Elinor Cox married John Latané, who became a professor at Johns Hopkins University in 1913. In 1915 Richard enrolled at JHU to study physics, but his studies were cut short when he was drafted for World War I
World War I

World War I, or the First World War , was a global military conflict which involved the Great powers, organized into two opposing military alliances: the Allies of World War I and the Central Powers....
. He stayed in the US after being drafted and returned to JHU after the war, completing his BA in 1920. He earned his PhD in 1924; his thesis was "A Study of Pfund's Pressure Gauge".

He taught at New York University
New York University

New York University is a private university, nonsectarian, research university in New York City. NYU's main campus is situated in the Greenwich Village section of Manhattan....
 (NYU) from 1924 to 1943, before returning to JHU to teach. He studied probability theory, the scattering of electrons, and the discharges of electric eel
Electric eel

The electric eel, temblador Electrophorus electricus, is an electrical fish. It is capable of generating powerful electricity shocks, which it uses for both hunting and self-defense....
s. Richard Cox's most important work was Cox's Theorem.

His wife Shelby Shackleford (1899 Halifax, Virginia
Halifax, Virginia

Halifax is a town in Halifax County, Virginia, Virginia, United States, along the Banister River. The population was 1,389 at the 2000 census. It is the county seat of Halifax County, Virginia....
 - 1987), whom he married in 1926, was an accomplished artist and illustrated Richard's books on electric eels.

His publications included:

  • R. T. Cox, "Probability, Frequency, and Reasonable Expectation," Am. Jour. Phys., 14, 1-13, (1946).
  • R. T. Cox, The Algebra of Probable Inference, Johns Hopkins University Press, Baltimore, MD, (1961).
  • Electric Eel Calling (1941)


External links

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