Perkins and Will, Inc.
Perkins & Will, Inc.
Perkins & Will, Inc. (American, reorganized 1970)
Ralph Johnson Perkins & Will (American, founded 1935)
Ralph Johnson (American, born 1948) Perkins & Will
American, founded 1935
Design principal: Ralph Johnson
American, born 1948 Perkins & Will
American, founded 1935