Arnold Koller
member of the Swiss Federal Council

Arnold Koller (; koll-ər born 29 August 1933) is a Swiss professor and politician. He served as a member of the Federal Council from 1987 to 1999 for the Christian Democratic People's Party (CVP). Koller previously served as a member of the National Council from 1971 to 1986. He did also serve two terms of the as President of the Swiss Confederation in 1990 and 1997. He is primarily known for Lex Koller, a Swiss Federal Act on Acquisitions of Real Estate by Persons Abroad, which he initiated.
Early life and education
Koller was born 29 August 1933 in St. Gallen, Switzerland, the oldest of five children, to Alois Arnold Koller and Genoveva (née Brülisauer). His father was an organist and elementary school teacher while his mother was a homemaker. He attended schools in Appenzell. Until 1957, Koller studied Economics in St.
“Arnold Koller” enters the record as member of the Swiss Federal Council. Crown Archives preserves that source wording while asking what Arnold, Koller and member can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 29, 2026. The linked authority identifier is Q115559. VIAF identifies the subject as 66575330. The Library of Congress control number is n85082581. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1933, 1987, 1999 and 1971.
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This entry incorporates text from “Arnold Koller” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.