Susumu Tonegawa

5 September 1939 – 11 July 2026

Susumu Tonegawa (born 1939) is a Japanese molecular biologist and neuroscientist who received the 1987 Nobel Prize in Physiology or Medicine for discovering the genetic mechanism that produces antibody diversity. After his immunology work at the Basel Institute for Immunology, he moved to the Massachusetts Institute of Technology in 1981 and later turned to the neuroscience of learning and memory.

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Life events

Born in Nagoya, Japan
5 September 1939

Born in Nagoya, Aichi Prefecture, Japan.

Source: en.wikipedia.org
Birth ✓
Graduated from Kyoto University
1963

Completed a bachelor's degree in chemistry at Kyoto University.

Source: en.wikipedia.org
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Earned a PhD at the University of California, San Diego
1968

Completed doctoral studies in molecular biology at UC San Diego, followed by postdoctoral work at the Salk Institute.

Source: en.wikipedia.org
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Joined the Basel Institute for Immunology
1971 – 1981

Moved to Switzerland to work at the Basel Institute for Immunology, where he carried out his research on antibody genes.

Source: en.wikipedia.org
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Demonstrated somatic recombination of antibody genes
1976

Published experiments showing that antibody diversity arises from the rearrangement of gene segments in developing immune cells.

Source: en.wikipedia.org
Achievement ✓
Became a professor at the Massachusetts Institute of Technology
1981

Moved to the United States to join the MIT faculty, where he later shifted his research to neuroscience.

Source: en.wikipedia.org
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Awarded the Nobel Prize in Physiology or Medicine
10 December 1987

Received the 1987 Nobel Prize, unshared, for the discovery of the genetic principle for generation of antibody diversity.

Source: en.wikipedia.org
Achievement ✓
Became founding director of the Picower Center for Learning and Memory at MIT
2002

Led the new MIT centre devoted to the neuroscience of learning and memory, later the Picower Institute.

Source: en.wikipedia.org
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Appointed director of the RIKEN Brain Science Institute
2009

Took on the directorship of the RIKEN Brain Science Institute in Japan while retaining his MIT position.

Source: en.wikipedia.org
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Died
11 July 2026
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