Helmut Jahn

Jahn, Helmut (1940– ), German-born U.S. architect whose work emphasizes steel, glass, and concrete, erected straight lines and overlapping planes, as exemplified in Kemper Arena (1974) and Bartle Convention Center (1976), both in Kansas City, Mo. In 1980 he shifted to a post-modern style combining modern and historical elements.

See also: Architecture.