John Rogers Musselman (1 December 1890,

Gettysburg, Pennsylvania Gettysburg (; non-locally ) is a borough and the county seat of Adams County in the U.S. state of Pennsylvania. The Battle of Gettysburg (1863) and President Abraham Lincoln's Gettysburg Address are named for this town. Gettysburg is home to th ...

– 8 August 1968,

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) was an American mathematician, specializing in algebraic geometry and known for Musselman's theorem. J. R. Musselman received his

A.B. Bachelor of arts (BA or AB; from the Latin ', ', or ') is a bachelor's degree awarded for an undergraduate program in the arts, or, in some cases, other disciplines. A Bachelor of Arts degree course is generally completed in three or four yea ...

in 1910 from

Pennsylvania College Gettysburg College is a private liberal arts college in Gettysburg, Pennsylvania. Founded in 1832, the campus is adjacent to the Gettysburg Battlefield. Gettysburg College has about 2,600 students, with roughly equal numbers of men and women. ...

and his

Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is a ...

from

Johns Hopkins University Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hem ...

in 1916 under

Arthur Byron Coble Arthur Byron Coble (November 3, 1878 – December 8, 1966) was an American mathematician. He did research on finite geometries and the group theory related to them, Cremona transformations associated with the Galois theory of equations, and ...

with thesis ''A set of eight self-associated points in space''. Musselman was a teaching assistant at Gettysburg Academy from 1910 to 1912 and an instructor in mathematics at the

University of Illinois The University of Illinois Urbana-Champaign (U of I, Illinois, University of Illinois, or UIUC) is a public land-grant research university in Illinois in the twin cities of Champaign and Urbana. It is the flagship institution of the University ...

in 1916–1918 and then at

Washington University in St. Louis Washington University in St. Louis (WashU or WUSTL) is a private research university with its main campus in St. Louis County, and Clayton, Missouri. Founded in 1853, the university is named after George Washington. Washington University is r ...

in 1920–1928. He was a professor mathematics at

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from 1928 until his retirement as professor emeritus in 1961. He was an Invited Speaker of the

International Congress of Mathematicians The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU). The Fields Medals, the Nevanlinna Prize (to be rename ...

in 1936 in

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Selected publications

"Spurious Correlation Applied to Urn Schemata."

Journal of the American Statistical Association The ''Journal of the American Statistical Association (JASA)'' is the primary journal published by the American Statistical Association, the main professional body for statisticians in the United States. It is published four times a year in March, ...

18, no. 143 (1923): 908–911. *"On the linear correlation ratio in the case of certain symmetrical frequency distributions."

Biometrika ''Biometrika'' is a peer-reviewed scientific journal published by Oxford University Press for thBiometrika Trust The editor-in-chief is Paul Fearnhead (Lancaster University). The principal focus of this journal is theoretical statistics. It was es ...

(1926): 228–231. *"On Circles Connected with Three and Four Lines." American Journal of Mathematics 59, no. 2 (1937): 371–375. *with

Frank Morley Frank Morley (September 9, 1860 – October 17, 1937) was a leading mathematician, known mostly for his teaching and research in the fields of algebra and geometry. Among his mathematical accomplishments was the discovery and proof of the celebr ...

: "On 2''n'' points with a real cross-ratio." American Journal of Mathematics 59, no. 4 (1937): 787–792. *"On the line of images."

American Mathematical Monthly ''The American Mathematical Monthly'' is a mathematical journal founded by Benjamin Finkel in 1894. It is published ten times each year by Taylor & Francis for the Mathematical Association of America. The ''American Mathematical Monthly'' is an e ...

45, no. 7 (1938): 421–430. *"Some loci connected with a triangle."

47, no. 6 (1940): 354–361.

References

{{DEFAULTSORT:Musselman, John Rogers 1890 births 1968 deaths 20th-century American mathematicians Gettysburg College alumni Johns Hopkins University alumni Case Western Reserve University faculty People from Gettysburg, Pennsylvania Mathematicians from Pennsylvania Washington University in St. Louis mathematicians