After the revolution, he was the heir apparent to Khomeini, and played a key role in writing Iran's constitution as thefirstchair of the powerful Guardians Council.
Diffrient was a frustrated industrial designer with pioneering achievements, including thefirstchair whose height could be adjusted via a gas piston and spring, and a fold-up office table that replaced screws and plates with simple interlocking hinges.
From 1970 to 1973, Russell Train was thefirstchair of the Council on Environmental Quality (CEQ) in the Executive Office of US President Richard Nixon, at the time when the World Heritage initiative was launched in a Presidential message in 1971.