Ida May Schottenfels

Short description: 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

She was a student at the University of Chicago, earning a master's degree in mathematics in 1896.[1] After working as a schoolteacher, she joined the New York Normal College as an instructor in 1901, and by 1913, she headed the mathematics department at Adrian College in Michigan.[2] She was cited as one of the most "active" women mathematicians of the time.[3] 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

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.[4]

## References

1. ↑ 1.0 1.1 Zitarelli, David E.; Dumbaugh, Della; Kennedy, Stephen F. (2022) (in en). 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. https://books.google.com/books?id=JPGGEAAAQBAJ&dq="Ida+May+Schottenfels"&pg=PA20.
2. ↑ Siegel, Patricia Joan (1985). "Ida May Schottenfels". Women in the scientific search : an American bio-bibliography, 1724-1979. Scarecrow Press. pp. 216–217. https://archive.org/details/womeninscientifi0000sieg/page/216.
3. ↑ Fenster, Della Dumbaugh; Parshall, Karen (1994). "Women in the American mathematical research community: 1891-1906". The History of Modern Mathematics, Vol. 3: Images, Ideas, and Communities. Academic Press. pp. 229–261. See Table 3, p. 241, and footnote [47], p. 256.
4. ↑ 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. https://www.jstor.org/stable/1967281.

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