sentences:  Louis Menk papers, 1953-1981.Correspondence, speeches, scrapbooks, memorabilia, printed matter, and related papers documenting the career of this railroad executive who was president of the St. Louis-San Francisco Railway Company (1962–1965), the Chicago, Burlington and Quincy Railroad Company (1965–1966), the Northern Pacific Railway Company (1966–1970), and Burlington Northern Inc. (1970–1978, and chairman 1978-1981).He was also one of the principal architects of the 1970 merger that created the Burlington Northern; .