koopmans n United States economist (born in the Netherlands) (1910-1985) Synonym(s) Koopmans Tjalling Koopmans Tjalling Charles Koopmans
News & Articles koopmans My Life, My Words: Toy cupboard tells a loving story Sharon Koopmans Bloemendaal of Rochester tells the story of her father's special homemade Christmas gift in 1946. Dec. 29, 2013 - Rochester Democrat and Chronicle