https://padlet.com/lukas_vetkoetter_201/Bookmarks Made with ♥ en-us 2017-05-11 15:00:02 UTC 2017-05-23 02:48:03 UTC hello@padlet.com lukas_vetkoetter_201 https://padlet.com/lukas_vetkoetter_201/Bookmarks/wish/173282673 Luis Alvarez is a physicist, inventor, and professor. He was born July 13, 1911 in San Francisco, California. He discovered the iridium layer, the theory that the dinosaurs went extinct by an asteroid or comet colliding with Earth, Atomic bomb, and detonation device for the atomic bomb. He also won a nobel prize in physics in 1968. He died September 1, 1988 in Berkeley, California.]]> 2017-05-23 02:33:56 UTC https://padlet.com/lukas_vetkoetter_201/Bookmarks/wish/173282673