1927 Warren Chalk born in London
1930 Ron Herron born in London
1935 Dennis Crompton born in Blackpool
1936 Peter Cook born in Southend on Sea
1937 David Greene born in Nottingham. ARCHIGRAM dominated the architectural avant garde in the 1960s and early 1970s with its playful, pop-inspired visions of a technocratic future after its formation in 1961 by a group of young London architects – Warren Chalk, Peter Cook, Dennis Crompton, David Greene, Ron Herron and Michael Webb.