Max August Zorn (June 6, 1906 in Krefeld, Germany - March 9, 1993 in Bloomington, Indiana, USA) was a German-born American mathematician. June 6 is the 157th day of the year in the Gregorian calendar (158th in leap years), with 208 days remaining. ... 1906 was a common year starting on Monday (see link for calendar). ... Krefeld is a city in North Rhine-Westphalia, Germany. ... March 9 is the 68th day of the year in the Gregorian Calendar (69th in Leap years). ... 1993 is a common year starting on Friday of the Gregorian calendar and marked the Beginning of the International Decade to Combat Racism and Racial Discrimination (1993-2003). ... Bloomington is the name of some places in the United States of America: Bloomington, California Bloomington, Idaho Bloomington, Illinois Bloomington, Indiana Bloomington, Maryland Bloomington, Minnesota Bloomington, Nebraska Bloomington, Wisconsin Bloomington (town), Wisconsin Bloomington Township, Illinois Bloomington Township, Indiana Bloomington Township, Decatur County, Iowa Bloomington Township, Muscatine County, Iowa Bloomington Township... State nickname: The Hoosier State Other U.S. States Capital Indianapolis Largest city Indianapolis Governor Mitch Daniels (R) Senators Richard Lugar (R) Evan Bayh (D) Official languages English Area 94,321 km² (38th)  - Land 92,897 km²  - Water 1,424 km² (1. ... A mathematician is a person whose area of study and research is mathematics. ...

He was an algebraist, group theorist, and numerical analyst. Abstract algebra is the field of mathematics concerned with the study of algebraic structures such as groups, rings and fields. ... In mathematics, a group is a set, together with a binary operation, such as multiplication or addition, satisfying certain axioms, detailed below. ... Numerical analysis is the study of algorithms for the problems of continuous mathematics (as distinguished from discrete mathematics). ...

He is famous for Zorn's lemma, a powerful tool in set theory that is applicable to a wide range of mathematical constructs such as vector spaces, ordered sets, etc. Zorns lemma, also known as the Kuratowski-Zorn lemma, is a theorem of set theory that states: Every partially ordered set in which every chain (i. ... Set theory is the mathematical theory of sets, which represent collections of abstract objects. ... A vector space (or linear space) is the basic object of study in the branch of mathematics called linear algebra. ... In mathematics, especially order theory, a partially ordered set (or poset for short) is a set equipped with a partial order relation. ...

He was a professor at Indiana University from 1946 until his death. Indiana University Bloomington is the principal campus of the Indiana University system. ...

According to Indiana University math professor Kent Orr, a traffic light was installed near the math building on account of Zorn nearly being killed by a car as an elderly professor emeritus.

Zorn was also an avid guitar player; there is a picture of him playing guitar hanging in Rawles Hall, where Bloomington's math faculty resides. The acoustic archtop guitar used in Jazz features steel strings The guitar is a stringed musical instrument. ... Bloomington is a city located in Monroe County, Indiana. ...

Max Zorn married Alice Schlottau and they had one son Jens and one daughter Liz. Zorn was the grandfather of Chicago Tribune columnist Eric Zorn. The Chicago Tribune, formerly self-styled as the Worlds Greatest Newspaper, remains the leading daily newspaper of the Midwestern United States. ... Eric Zorn is a columnist for the Chicago Tribune. ...

External links

• Biography at the MacTutor archive
• Genealogy at the Mathematics Genealogy Project