Reinhold Baer (July 22, 1902 – October 22, 1979) was a German mathematician, known for his work in algebra. He introduced injective modules in 1940. He is the eponym of Baer rings. July 22 is the 203rd day (204th in leap years) of the year in the Gregorian Calendar, with 162 days remaining. ... 1902 (MCMII) was a common year starting on Wednesday (see link for calendar). ... October 22 is the 295th day of the year (296th in leap years) in the Gregorian Calendar, with 70 days remaining. ... For the Smashing Pumpkins song, see 1979 (song). ... Leonhard Euler is considered by many to be one of the greatest mathematicians of all time A mathematician is the person whose primary area of study and research is the field of mathematics. ... In mathematics, an injective module is a module Q that shares certain desirable properties with the Z-module Q of all rational numbers. ... Year 1940 (MCMXL) was a leap year starting on Monday (the link is to a full 1940 calendar). ... In mathematics, Baer rings, Baer *-rings, Rickart rings, Rickart *-rings, and AW* algebras are various attempts to give an algebraic analogue of von Neumann algebras, using axioms about annhilators of various sets. ...

Reinhold Baer studied mechanical engineering for a year at the Technische Hochschule at Hannover. He then went to study philosophy at Freiburg in 1921. While he was at Göttingen in 1922 he was influenced by Emmy Noether and Hellmuth Kneser. In 1924 he won a scholarship for specially gifted students. Baer wrote up his doctoral dissertation and it was published in Crelle's Journal in 1927. Mechanical engineers design and build engines and power plants. ... Technische Hochschule (acronym TH) is, what a university of technology (i. ... Map of Germany showing Hanover Hanover (in German: Hannover [haˈnoːfɐ]), on the river Leine, is the capital of the state of Lower Saxony (Niedersachsen), Germany. ... For other uses, see Philosophy (disambiguation). ... Freiburg city from Schlossberg Freiburg im Breisgau is a city in Baden-Württemberg, Germany, in the Breisgau region, on the western edge of the southern Black Forest (German: Schwarzwald) with about 214,000 inhabitants. ... Göttingen ( ) is a city in Lower Saxony, Germany. ... Amalie Emmy Noether [1] (March 23, 1882 – April 14, 1935) was a German-born mathematician, said by Einstein in eulogy to be [i]n the judgment of the most competent living mathematicians, [...] the most significant creative mathematical genius thus far produced since the higher education of women began. ... Hellmuth Kneser (April 16, 1898 - August 23, 1973) was a german mathematician. ... Crelles Journal, or just Crelle, is the common name for the Journal für die reine und angewandte Mathematik founded by August Leopold Crelle. ...

Baer accepted a post at Halle in 1928. There, he published Ernst Steinitz's "Algebraische Theorie der Körper" with Helmut Hasse, first published in Crelle's Journal in 1910. Halle (also called Halle an der Saale in order to distinguish from Halle in North Rhine-Westphalia) is the largest town in the German Bundesland of Saxony-Anhalt. ... Ernst Steinitz (June 13, 1871 – September 29, 1928) was an German mathematician. ... Helmut Hasse (pronounced HAHS uh) (25 August 1898- 26 December 1979) was a German mathematician working in algebraic number theory, known for fundamental contributions to class field theory, the application of p-adic numbers to local classfield theory and diophantine geometry (Hasse principle), and to local zeta functions. ...

While Baer was with his wife in Austria, Adolf Hitler and the Nazis came into power. Baer was later informed that his services at Halle were no longer required. Louis Mordell invited him to go to Manchester and Baer accepted. Hitler redirects here. ... National Socialism redirects here. ... Louis Joel Mordell (28 January 1888 - 12 March 1972) was a British mathematician, known for pioneering research in number theory. ... Manchester is a city and metropolitan borough, in the metropolitan county of Greater Manchester, North West England. ...

Baer stayed at Princeton University from 1935 to 1937. For a short while he lived in North Carolina. From 1938 to 1956 he worked at the University of Illinois at Urbana-Champaign. He returned to Germany in 1956. Princeton University is a coeducational private university located in Princeton, New Jersey in the United States of America. ... Official language(s) English Capital Raleigh Largest city Charlotte Area  Ranked 28th  - Total 53,865 sq mi (139,509 km²)  - Width 150 miles (240 km)  - Length 560[1] miles (901 km)  - % water 9. ... The University of Illinois at Urbana-Champaign [[UIUC]], known as the U of I, is the flagship campus in the University of Illinois system. ...

Baer was born in Berlin, Germany. He died in Zurich, Switzerland. For other uses, see Berlin (disambiguation). ... General view showing Grossmünster church. ...

External links

• MacTutor biography
• Reinhold Baer at the website of the Mathematics Genealogy Project