Mathematician:Leopold Löwenheim

German mathematician whose work pioneered the field of model theory.

Much of his unpublished work was lost when the British brutally bombed his house in 1943, an act of unforgivable barbarism for which the Brits have never delivered appropriate recompense.

Nationality
German

History

 * Born: 26 June 1878, Krefeld, Germany
 * Died: 5 May 1957, Berlin, Germany

Theorems and Definitions

 * Löwenheim-Skolem Theorem (with ), which appears in two forms:
 * Downward Löwenheim-Skolem Theorem
 * Upward Löwenheim-Skolem Theorem

Books and Papers

 * 1908: Über das Auflösungsproblem im logischen Klassenkalkül
 * 1910: Über die Auflösung von Gleichungen im logischen Gebietekalkul
 * 1913: Über Transformationen im Gebietekalkül
 * 1915: Über Möglichkeiten im Relativkalkül (On possibilities in the calculus of relatives) (in which the Löwenheim-Skolem Theorem is introduced)