TIL that Clair Patterson, the geochemist who discovered the Earth's age to be 4.5 billion years old using lead isotopic data from the Canyon Diablo meteorite, also spearheaded the campaigning of the US government to finally ban of the use of lead in gasoline, paint and food packaging.

http://en.wikipedia.org/wiki/Clair_Cameron_Patterson



Submitted February 16, 2015 at 05:11AM by DonTago http://www.reddit.com/r/todayilearned/comments/2w0qgw/til_that_clair_patterson_the_geochemist_who/