What is Fritz Zwicky?
[[Image:ETH-BIB-Zwicky, Fritz (1898-1974)-Portr 01030.tif|thumb|Zwicky in 1947]] '''Fritz Zwicky''' (February 14, 1898 – February 8, 1974) was a [[Switzerland|Swiss]] [[astronomer]]. He created the idea of [[dark matter]].<ref>http://spiff.rit.edu/classes/phys440/lectures/gal_clus/gal_clus.html</ref> He worked at [[California Institute of Technology]] for most of his life. ==References== {{reflist}} {{DEFAULTSORT:Zwicky, Fritz}} [[Category:Swiss astronomers]] [[Category:California Institute of Technology faculty]] [[Category:1898 births]] [[Category:1974 deaths]] {{bio-stub}}