Philip Cortelyou Johnson (1906 – 2005) was an American architect, best known for his works of Modern architecture, including the Glass House in New Canaan, Connecticut, and his works of postmodern architecture, particularly 550 Madison Avenue (formerly the ATT&T Building and then the Sony Building), designed with John Burgee.
In 1978 he was awarded an American Institute of Architects Gold Medal and in 1979 the first Pritzker Architecture Prize.
Source: Wikipedia