He came to prominence after designing Richards Medical Laboratories, Philadelphia. His other distinctive works include Philips Exeter Academy Library, Bryn Mawr Dormitories, Yale Art Gallery, Salk Institute, Kimble Art Museum, Management Centre at Ahmedabad, India, Family Planning Centre, Nepal etc. His biggest as also the best work is considered to be the Jatiya Sangsad complex. After the death of Luis I Kahn, his junior Henry Wilcot completed the revised design of the complex. Hery M Pambam made the structural design. The building is indeed a marvel of synthesis of ideas and engineering.