Hollander was first elected to the Senate in 1956 and remained a member until 1976, at which time he was succeeded by future Governor of Wisconsin Scott McCallum.[3] Previously, he was a member of the Board of Fond du Lac County from 1938 to 1966, serving as chairman from 1953 to 1966. He was a Republican.[4]
^"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V9Z8-8T1 : 20 May 2014), Walter G Hollander, 10 Dec 1990; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).