Nobel Laureate Susumu Tonegawa, Who Elucidated Antibody Mechanisms, Dies at 86

Susumu Tonegawa, the 1987 Nobel laureate in Physiology or Medicine, died at age 86. He was celebrated for discovering how immune cells generate diverse antibodies. His work revealed

Susumu Tonegawa, the 1987 Nobel laureate in Physiology or Medicine, died at age 86. He was celebrated for discovering how immune cells generate diverse antibodies. His work revealed the genetic mechanisms that enable the body to fight infections. Tonegawa’s research laid the foundation for modern immunology and vaccine development. The scientist spent much of his later career studying brain function and memory. His contributions continue to influence biomedical research worldwide. Colleagues praised his curiosity and willingness to cross disciplinary boundaries. His passing marks the loss of a pioneering figure in both immunology and neuroscience.