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Professor John Joannopoulos, photonics pioneer and Institute for Soldier Nanotechnologies director, dies at 78
August 19, 2025
CAMBRIDGE, Massachusetts, Aug. 19 -- The Massachusetts Institute of Technology issued the following news:

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Professor John Joannopoulos, photonics pioneer and Institute for Soldier Nanotechnologies director, dies at 78

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John "JJ" Joannopoulos, the Francis Wright Davis Professor of Physics at MIT and director of the MIT Institute for Soldier Nanotechnologies (ISN), passed away on Aug. 17. He was 78.

Joannopoulos was . . .

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