Aurel Wintner

{{Infobox scientist

| name = Aurel Wintner

| image = Aurel Wintner.jpg

| image_size =

| alt =

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| birth_date = {{Birth date|1903|04|08|df=y}}

| birth_place = Budapest, Hungary

| death_date = {{Death date and age|1958|01|15|1903|04|08|df=y}}

| death_place = Baltimore, Maryland, United States

| nationality = Austrian-Hungarian American

| fields = Mathematics

| workplaces = Johns Hopkins University

| alma_mater = University of Leipzig

| thesis_title =

| thesis_url =

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| doctoral_advisor = Leon Lichtenstein

| doctoral_students = Shlomo Sternberg
Philip Hartman

| known_for = Jessen–Wintner theorem
Wiener-Wintner theorem

| awards =

}}

Aurel Friedrich Wintner (8 April 1903 – 15 January 1958) was a mathematician noted for his research in mathematical analysis, number theory, differential equations and probability theory.{{cite journal|author=Hartman, Philip|authorlink=Philip Hartman|title=Aurel Wintner|journal=J. London Math. Soc.|volume=37|year=1962|pages=483–503|doi=10.1112/jlms/s1-37.1.483}} He was one of the founders of probabilistic number theory. He received his Ph.D. from the University of Leipzig in 1928 under the guidance of Leon Lichtenstein. He taught at Johns Hopkins University.

He was a nephew of the astronomer Samuel Oppenheim,{{cn|date=July 2022}} and the son-in-law of mathematician Otto Hölder.{{citation

| last1 = Elbert | first1 = Árpád

| last2 = Garay | first2 = Barnabás M.

| editor-last = Horváth | editor-first = János

| contribution = Differential equations: Hungary, the extended first half of the 20th century

| doi = 10.1007/978-3-540-30721-1_9

| mr = 2547513

| pages = 245–294

| publisher = Springer, Berlin

| series = Bolyai Soc. Math. Stud.

| title = A Panorama of Hungarian Mathematics in the Twentieth Century, I

| volume = 14

| year = 2006| isbn = 978-3-540-28945-6

}}; see [https://books.google.com/books?id=EWm4WzSaG3IC&pg=PA248 p. 248]