Susumu Tonegawa

Last updated: July 28, 2026
Portrait of Susumu Tonegawa
Susumu Tonegawa was a renowned Japanese biologist and Nobel Prize laureate who made monumental contributions to the field of molecular biology. Born in Japan, he built a distinguished career dedicated to scientific research, most notably discovering the genetic mechanism for antibody diversity known as V(D)J recombination. His groundbreaking work revolutionized our understanding of the immune system and earned him the prestigious Nobel Prize in Physiology or Medicine in 1987. Throughout his lifetime, Susumu Tonegawa inspired countless researchers and shaped modern immunology. He passed away at the age of 86, leaving behind an enduring legacy of scientific excellence and discovery. His life and career continue to be celebrated by the global scientific community and academic institutions such as MIT.