Mathematician:William Richard Maximilian Hugo Threlfall

William Richard Maximilian Hugo Threlfall was a German mathematician whose main work was in topology.

Collaborated extensively with Herbert Seifert.

Not to be confused with:
 * William Threlfall the contemporary musician;
 * William Threlfall (1799-1825) the missionary;
 * Bill Threlfall (1925-2007) the cricket commentator.

Nationality
German (with an English father, which explains why his surname is English).

History

 * Born: June 25th 1888 in Dresden, Germany
 * Died: April 4 1949 in Oberwolfach, Germany

Books and Papers

 * 1932: Gruppenbilder
 * 1934: Lehrbuch der Topologie (Lectures on Topology) (with Herbert Seifert)
 * 1938: Variationsrechnung Im Grossen (Variational Calculus in the Large) (with Herbert Seifert)