Theodore Svedberg was born in 1884 in Sweden. He was a chemist who was awarded the Nobel prize in chemistry in 1926 as well as the Franklin medal in 1949. He worked extensively with colloids and was able to support the theories of Brownian motion that were put forward by Einstein and Smoluchowski. While he was conducting research you was able to develop the technique of analytical ultracentrifugation and was able to demonstrate its utility in distinguishing the pure proteins one from another. Nowadays the unit Svedberg, S, is viewed as per unit of time amounting to 10 to the power of -13. He finished his studies at Uppsala University Rome where he graduated with a degree in biochemistry and even after graduating he remained an active member of the University as he conducted most of his research of there. One of his most famous students whose doctoral thesis he supervised is Arne Tiselius.