He designed the geodesic dome for the United States pavilion at Expo '67 in Montreal
In 
1963, he was asked by the U.S. Information Agency to design the... [DOC] [TLE] EXPO 67: THEN AND NOW - Tourisme Montral Blog [PAR] May 9, 2012 ... United States Pavilion/Montreal Biosphere: My favourite pavilion of Expo 67 is 
that mammoth geodesic dome created for the United States by ....