Veikko Aleksanteri Heiskanen (23 July 1895, in Kangaslampi – 23 October 1971, in Helsinki) was a famous Finnish geodesist. He is mostly known for his refinement of the theory of isostasy by George Airy and for his studies of the global geoid. * 1931–1949 Professor of Geodesy, Helsinki University of Technology * 1933–1936 Member of Finnish Parliament * 1949–1961 Director, Finnish Geodetic Institute * 1951–1961 Research professor, Ohio State University