- Born in Southern India
- PhD Chemistry, Indian university
- 1955 – PhD Chemical Engineering, Yale University
- 1956 – Joined UCLA Engineering Dept as postdoc
- 1959 – Co-invented cellulose acetate RO membrane
- 1961 – Joined Canada’s National Research Council
- 1962 – Developed NIPS membrane fab process
- 1986 – Founded the Industrial Membrane Research Institute at the University of Ottawa
- 1991 – Established membrane research lab at National University of Singapore
- 2016 – Inducted in AMTA’s Hall of Fame
