The chemist Arne Tiselius died at the age of 69. Here is all you want to know, and more!
Biography - A Short Wiki
A Swedish biochemist who won the Nobel Prize in Chemistry in 1948 for his research on electrophoresis. He was also the Chairman of the Board for the Nobel Foundation from 1960 to 1964.
He studied chemistry at the University of Uppsala.
He was President of the International Union of Pure and Applied Chemistry from 1951 to 1955.