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  1. Clair Cameron Patterson (June 2, 1922 – December 5, 1995) was an American geochemist. Born in Mitchellville , Iowa , Patterson graduated from Grinnell College . He later received his Ph.D. from the University of Chicago and spent his entire professional career at the California Institute of Technology (Caltech).

  2. May 17, 2017 · Clair Pattersona scientist who helped build the atomic bomb and discovered the true age of the Earth—took on a billion-dollar industry to save humanity from itself.

    • Lucas Reilly
    • 30 sec
  3. Jun 2, 2021 · Given that at OpenMind we have already profiled Thomas Midgley, the harmful inventor of two scourges of humanity—leaded gasoline and chlorofluorocarbons (CFCs)—his nemesis, Clair Patterson, who helped rid the world of the former, deserves no less attention. And although in scientific disputes archenemies rarely engage in face-to-face ...

  4. Dec 8, 1995 · Clair C. Patterson, a geochemist who made the first accurate measurement of Earth's age and raised the alarm about dangerous levels of lead in the environment, died on Tuesday at his home in...

  5. Sep 21, 2015 · September 21, 2015. Caltech geochemist Clair Patterson (1922–1995) helped galvanize the environmental movement 50 years ago when he announced that highly toxic lead could be found essentially everywhere on Earth, including in our own bodies—and that very little of it was due to natural causes.

  6. Apr 7, 2023 · Astronomy. Clair Patterson: The man who calculated the Earth’s age. The American scientist put an end to long-standing speculation about the planet’s origins. Thanks to him, we now know that it...

  7. Jul 25, 2023 · Figure 1 | Clair Patterson with his analytical instruments. Tatsumoto and Patterson’s paper 3 exemplified the use of analytical protocols that transformed practices in the field of marine...

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