Michio Kaku to announce shock retirement?

Sad news for Kaku fans. Speculation had been rife that popularizer of theoretical physics will announce his retirement from all public activities, at age 79, with immediate effect.

UPDATE 20/03/2026 : This story seems to be false. (read more)

Being a scientist isn't fun anymore

“As we get older, there are phases of life that we enter into, and being a scientist-author just isn't fun anymore,” he might have said, says a source who remained anonymous. Other reports hinted that he may branch out into other creative fields he is better at (and more interested in), though they didn't provide any details.

#ThankYouMichio

For a little while on Thursday evening, #ThankYouMichio was a trending hashtag on Twitter. As many fans reminisce and look back on all the unforgettable memories, some may wonder what about now made him make the decision.

“You’ve accomplished everything I ever dreamed of #ThankYouMichio.”
— @DesireePlum, 19 Mar 2026

“Didn't Michio Kaku retire about 3 years ago?”
— @samy2love, 19 Mar 2026

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