Ellis Bagley Stouffer (7 November 1884,

Melbourne, Iowa Melbourne is a city in Marshall County, Iowa, United States. The population was 786 at the time of the 2020 census. History The town of Melbourne was platted February 23, 1882, by Milwaukee Land Company, in section 6 of Logan Township and was i ...

– 24 November 1965,

Lawrence, Kansas Lawrence is the county seat of Douglas County, Kansas, United States, and the sixth-largest city in the state. It is in the northeastern sector of the state, astride Interstate 70, between the Kansas and Wakarusa Rivers. As of the 2020 census ...

) was an American mathematician specializing in projective differential geometry.

Biography

Stouffer received bachelor's and master's degrees from

Drake University Drake University is a private university in Des Moines, Iowa. It offers undergraduate and graduate programs, including professional programs in business, law, and pharmacy. Drake's law school is among the 25 oldest in the United States. Hi ...

Des Moines, Iowa Des Moines () is the capital and the most populous city in the U.S. state of Iowa. It is also the county seat of Polk County. A small part of the city extends into Warren County. It was incorporated on September 22, 1851, as Fort Des Moine ...

.John Simon Guggenheim Foundation, Ellis B. Stouffer
/ref> In 1911 he received a Ph.D. in mathematics from the

University of Illinois Urbana-Champaign 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 Univers ...

under

Ernest Julius Wilczynski Ernest Julius Wilczynski (November 13, 1876 – September 14, 1932) was an American mathematician considered the founder of projective differential geometry. Born in Hamburg, Germany, Wilczynski's family emigrated to America and settled in Chica ...

with thesis ''Invariants of Linear Differential Equations, with Applications to Ruled Surfaces in Five-Dimensional Space''. Stouffer became at the University of Kansas in 1914 assistant professor, in 1917 associate professor and in 1921 full professor. In 1922 he also became dean of the Graduate School. In 1946–1951 he was dean of the University during its academic expansion program after World War II. He retired as dean in 1951 but continued teaching until 1955. He was awarded a

Guggenheim Fellowship Guggenheim Fellowships are grants that have been awarded annually since by the John Simon Guggenheim Memorial Foundation to those "who have demonstrated exceptional capacity for productive scholarship or exceptional creative ability in the ar ...

for the academic year 1926–1927. In 1928 he was an

invited speaker at the International Congress of Mathematicians This is a list of International Congresses of Mathematicians Plenary and Invited Speakers. Being invited to talk at an International Congress of Mathematicians has been called "the equivalent, in this community, of an induction to a hall of fame." ...

Bologna Bologna (, , ; egl, label=Emilian language, Emilian, Bulåggna ; lat, Bononia) is the capital and largest city of the Emilia-Romagna region in Northern Italy. It is the seventh most populous city in Italy with about 400,000 inhabitants and 1 ...

. Upon his death he was survived by a wife and daughter. His doctoral students include

Wealthy Babcock Wealthy Consuelo Babcock (November 11, 1895 – April 10, 1990) was an American mathematician. She was awarded a Ph.D. from the University of Kansas and had a long teaching career at that institution. Early life and education Wealthy Consuelo ...

.Babcock, Wealthy — Emily Taylor Center for Women & Gender Equity
/ref> At the University of Kansas, the E. B. Stouffer Professorship of Mathematics was established in his honor.

Selected publications

* * * * * * *with Ernest P. Lane: * *

References

{{DEFAULTSORT:Stouffer, Ellis 1884 births 1965 deaths People from Marshall County, Iowa 20th-century American mathematicians Drake University alumni University of Illinois Urbana-Champaign alumni University of Kansas faculty