Harro Heuser (December 26, 1927 in

Nastätten Nastätten () is a municipality in the Rhein-Lahn-Kreis, in Rhineland-Palatinate, Germany. It is situated in the Taunus, approx. 25 km southeast of Koblenz, and 35 km northwest of Wiesbaden. Nastätten is the seat of the ''Verbandsgemei ...

– February 21, 2011 in Bingen) was a

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

. In German-speaking countries he is best known for his popular two-volume introduction into real

analysis Analysis (: analyses) is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it. The technique has been applied in the study of mathematics and logic since before Aristotle (38 ...

, ''Lehrbuch der Analysis''. Heuser studied mathematics, physics and philosophy from 1948 to 1954 at the

University of Tübingen The University of Tübingen, officially the Eberhard Karl University of Tübingen (; ), is a public research university located in the city of Tübingen, Baden-Württemberg, Germany. The University of Tübingen is one of eleven German Excellenc ...

to receive a teaching degree (''Staatsexamen'') and went on to study for his PhD, which he received in 1957. The advisor of his thesis, entitled ''Über Operatoren mit endlichen Defekten'', was

Helmut Wielandt __NOTOC__ Helmut Wielandt (19 December 1910 – 14 February 2001) was a German mathematician who worked on permutation groups. He was born in Niedereggenen, Lörrach, Germany. He gave a plenary lecture ''Entwicklungslinien in der Strukturtheorie ...

. After receiving his PhD he moved to the

University of Karlsruhe The Karlsruhe Institute of Technology (KIT; ) is both a German public university, public research university in Karlsruhe, Baden-Württemberg, and a research center of the Helmholtz Association. KIT was created in 2009 when the University of Ka ...

, where he received his

habilitation Habilitation is the highest university degree, or the procedure by which it is achieved, in Germany, France, Italy, Poland and some other European and non-English-speaking countries. The candidate fulfills a university's set criteria of excelle ...

in 1962. In 1963 he became a professor at the

University of Kiel Kiel University, officially the Christian Albrecht University of Kiel, (, abbreviated CAU, known informally as Christiana Albertina) is a public research university in the city of Kiel, Germany. It was founded in 1665 as the ''Academia Holsator ...

and in 1964 at the

University of Mainz The Johannes Gutenberg University Mainz () is a public research university in Mainz, Rhineland Palatinate, Germany. It has been named after the printer Johannes Gutenberg since 1946. it had approximately 32,000 students enrolled in around 100 a ...

. Finally in spring 1969 he became a tenured professor at the

, where he remained until his retirement in 1996. He was also temporarily working as a visiting professor in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

and

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

.Short bio provided by the publisher in ''Lehrbuch der Analysis - Teil 1'' and ''Als die Götter lachen lernten.'' (German)''

Kürschners Deutscher Gelehrten-Kalender ''Kürschners Deutscher Gelehrten-Kalender'' (English: "Kürschner's Encyclopedia of German Scholars"), formerly subtitled ''Lexikon der lebenden deutschsprachigen Wissenschaftler'' ("Encyclopedia of Living German-Speaking Scholars"), is a German ...

'' 2007, p. 1409 (German) ''Harro Heuser''
at Gutenberg Biographics (catalog of all professors at the Johannes Gutenberg University Mainz 1477-1973) (retrieved 2023-09-08)

Works

*with Heinz Günther Tillmann as editors: ''Funkkolleg Mathematik. Eine Einführung in 2 Bänden''. Fischer 1974 *''Funktionalanalysis. Theorie und Anwendung''. 1975; 4th edition, Teubner 2006,
review
*: English edition: ''Functional Analysis''. Wiley 1982, *''Lehrbuch der Analysis - Teil 1''. 1980; 17th edition, Teubner 2009, *''Lehrbuch der Analysis - Teil 2''. 1981; 14th edition, Teubner 2008, *with Hellmuth Wolf: ''Algebra, Funktionalanalysis und Codierung. Eine Einführung für Ingenieure''. Teubner 1986, *''Gewöhnliche Differentialgleichungen. Einführung in Lehre und Gebrauch''. 1989; 6th edition, Teubner 2009, *''Als die Götter lachen lernten. Griechische Denker verändern die Welt''. 1992; 2nd edition, Piper 1997 *''Die Magie der Zahlen. Von einer seltsamen Lust, die Welt zu ordnen''. Herder 2003, *''Der Physiker Gottes. Isaac Newton oder Die Revolution des Denkens''. Herder 2005, *''Unendlichkeiten. Nachrichten aus dem Grand Canyon des Geistes''. Teubner 2007,

Notes

External links

* Sterling K. Berberia
''Review: Harro Heuser, Funktionanalysis, and Richard B. Holmes, Geometric functional analysis and its applications, and Michael Reed and Barry Simon, Functional analysis, and Michael Reed and Barry Simon, Methods of modern mathematical physics, vol. II, Fourier analysis, self-adjointness''
Bull. Amer. Math. Soc. Volume 82, Number 6, 1976 {{DEFAULTSORT:Heuser, Harro 1927 births 2011 deaths 20th-century German mathematicians University of Tübingen alumni Academic staff of the Karlsruhe Institute of Technology Academic staff of Johannes Gutenberg University Mainz