Mathematician:Wilfrid Keller

Mathematician
German mathematician best known for his activity in number theory, including the hunt for titanic primes.

Nationality
German

History

 * Born: 1937: Born in Wetzlar, Germany. Moved to Buenos Aires, Argentina.
 * 1943−1954: Attended primary and secondary school in Buenos Aires.
 * 1955−1962: Studied mathematics at the Universidad Nacional de Buenos Aires.
 * 1962: Obtained degree of Licenciado en Ciencias Matemáticas.
 * 1963: Returned to Germany, settled in Hamburg.
 * 1963−1969: Fellowship of Deutscher Akademischer Austauschdienst (DAAD).
 * 1963−1970: Studied numerical mathematics and economics at Universität Hamburg.
 * 1970: Obtained degree of Doctor rerum naturalium.
 * 1970−1998: Member of staff of Regionales Rechenzentrum der Universität Hamburg.
 * 1999: Retired from public service.

Publications

 * 1970: Asymptotische Aussagen und Fehlerabschätzungen für eine Klasse linearer Integro-Differential-Differenzengleichungen als Folge von Monotonieeigenschaften gewöhnlicher Anfangswertaufgaben (PhD thesis)