Theodor Svedberg(30 August 1884 – 25 February 1971) was a Swedish chemist andNobel laureatefor his research oncolloidsand proteins using theultracentrifuge. Svedberg was active atUppsala Universityfrom the mid-1900s to late 1940s. While at Uppsala, Svedberg started as adocentbefore becoming the university'sphysical chemistryhead in 1912. After leaving Uppsala in 1949, Svedberg was in charge of the Gustaf Werner Institute until 1967. Apart from his 1926 Nobel Prize, Svedberg was named aForeign Member of the Royal Societyin 1944 and became part of theNational Academy of Sciencesin 1945. Fields: Biochemistry