{{Short description|American mathematician (1901–1988)}} {{Infobox scientist | name = Orrin Frink Jr. | image = | caption = | birth_date = {{birth date|1901|5|31}} | birth_place = Brooklyn, New York | death_date = {{death date and age|1988|3|4|1901|5|31}} | death_place = Kennebunkport, Maine | field = Mathematics | work_institution = Pennsylvania State University | alma_mater = Columbia University | doctoral_advisor = | doctoral_students = | known_for = Frink ideal <br /> Frink's Ratio Test | prizes = | religion = | footnotes = }} '''Orrin Frink Jr.''' (31 May 1901 – 4 March 1988)<ref name="nyt">{{citation|url=https://www.nytimes.com/1988/03/17/obituaries/orrin-frink-mathematician-86.html|title=Orrin Frink, Mathematician, 86|newspaper=New York Times|date=March 17, 1988}}.</ref> was an American mathematician who introduced Frink ideals in 1954.
Frink earned a doctorate from Columbia University in 1926 or 1927<ref name="nyt"/><ref>{{MathGenealogy|id=24622}}</ref> and worked on the faculty of Pennsylvania State University for 41 years, 11 of them as department chair.<ref name="nyt"/> His time at Penn State was interrupted by service as assistant chief engineer at the Special Projects Laboratory at Wright-Patterson Air Force Base during World War II, and by two Fulbright fellowships to Dublin, Ireland in the 1960s.<ref name="pw"/>
Aline Huke Frink, his wife, was also a mathematician at Penn State.<ref name="pw">{{citation|url=https://www.ams.org/publications/authors/books/postpub/hmath-34-PioneeringWomen.pdf|title=Supplementary Material For Pioneering Women In American Mathematics: The Pre-1940 PhD's|publisher=American Mathematical Society|date=April 17, 2009| first1 = Judy | last1 = Green | author1-link = Judy Green (mathematician) | first2 = Jeanne | last2 = LaDuke | author2-link = Jeanne LaDuke}}</ref> Their eldest son, also named Orrin Frink, became a professor of Slavic languages at Ohio University and Iowa State University. Their other children are Peter Hill Frink (1939–2021), who was an architect specializing in theaters and assembly places, John Allen Frink (b.1941), who was a senior consultant in IT for the DuPont Company, and Elizabeth Frink Boyer (b.1945), who was an art teacher and textile designer.
==Selected publications== *{{cite journal|author=Frink, Orrin|title=Ideals in partially ordered sets|journal=American Mathematical Monthly|volume=61|year=1954|issue=4|pages=223–234|mr=61575|doi=10.2307/2306387|jstor=2306387}} *{{Cite journal | issn = 0003-486X | volume = 34 | issue = 3 | series = 2 | pages = 518–526 | last = Frink | first = Orrin | title = Jordan measure and Riemann integration | journal = The Annals of Mathematics| date = July 1933 | doi = 10.2307/1968175 | jstor = 1968175 }} *{{citation | doi = 10.2307/1967699 | issn = 0003-486X | volume = 27 | issue = 4 | pages = 491–493 | last = Frink | first = Orrin | title = A proof of Petersen's theorem | journal = Annals of Mathematics | series = Second Series | year = 1926 | jstor = 1967699 }}<!--| accessdate = 2011-->
==See also== *Petersen's theorem
==References== {{Reflist}}
==Further reading== *''Who Was Who in America: with World Notables'' ({{ISBN|0837902177}}), by Marquis Who's Who, Inc., Volume 9, 1989.
==External links== *{{Find a Grave|92115752}}
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{{DEFAULTSORT:Frink Jr., Orrin}} Category:1901 births Category:1988 deaths Category:20th-century American mathematicians Category:Columbia University alumni Category:Pennsylvania State University faculty Category:Scientists from New York City Category:People from Kennebunkport, Maine Category:Mathematicians from New York (state)