Technological Innovation by Dr.Sumita Mitra has been rewarded with prestigious European Inventor Award 2021. Dr.Mitra used Nanotechnology to produce stronger and better looking dental fillings which doesn’t weaken on biting surfaces, nor does it lose its polish. These nanoclusters have been used in one billion dental restorations worldwide and is a commercial success. On a personal note, her journey with her husband has been fascinating. Both studied Chemistry in Presidency College, Calcutta (1966-69), Calcutta University (1969-72), Michigan University (1973-77), both worked as Scientists at 3M for 32 years in US and since last 10 years they have been running their Mitra Chemical Consulting LLC in Florida. Isn’t it amazing?