[Lex Computer & Tech Group/LCTG] Daniel Kleppner, Physicist Who Brought Precision to GPS, Dies at 92

[Larry Wittig]

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Daniel Kleppner, Physicist Who Brought Precision to GPS, Dies at 92

He worked to develop an atomic clock that is essential to global
positioning systems and helped confirm a rare state of matter
predicted based on work by Albert Einstein.

https://www.nytimes.com/2025/07/12/science/daniel-kleppner-dead.html?unlocked_article_code=1.3E8.EIMp.ER1IyeIGgplw&smid=em-share