Ida May Schottenfels

American mathematician

Ida May Schottenfels

Born| (1869-12-21)December 21, 1869
Died| March 11, 1942(1942-03-11) (aged 72)
Nationality| American
Scientific career
Institutions| University of Toledo

Ida May Schottenfels (December 21, 1869 – March 11, 1942) was an American mathematician and university professor.

## Education and career

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She was a student at the University of Chicago, earning a master's degree in mathematics in 1896.[1] In 1910, she was appointed as head of the mathematics department at the University of Toledo[citation needed]. She was cited as one of the most "active" women mathematicians of the time.[2] From 1891 to 1906 she gave 17 lectures at meetings of the American Mathematical Society and published three papers. She presented her paper "On a set of generators for certain substitution and Galois field groups" at the 1904 AMS meeting.[1]

## Research

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In group theory, Schottenfels was the first mathematician to prove that there exist two non-isomorphic simple groups of the same order, by demonstrating that there are two non-isomorphic simple groups of order 20,160.[3]

## References

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1. ^ a b Zitarelli, David E.; Dumbaugh, Della; Kennedy, Stephen F. (2022). A History of Mathematics in the United States and Canada: Volume 2: 1900-1941. American Mathematical Society. p. 20\. ISBN 978-1-4704-6730-2.
2. ^ Fenster, Della Dumbaugh and Karen Parshall. Women in the American mathematical research community: 1891-1906.
3. ^ Ida May Schottenfels (December 26, 1899). "Two Non-Isomorphic Simple Groups of the Same Order 20,160". Annals of Mathematics. 1 (1/4): 147–152. doi:10.2307/1967281. JSTOR 1967281.

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