Tuesday, April 11, 2017
![Bill Tutte](/combinatorics-and-optimization/sites/default/files/uploads/images/tutte.jpg)
"Bill Tutte, was a British codebreaker and mathematician. During the Second World War, at Bletchley Park he made a brilliant and fundamental advance in cryptanalysis of the Lorenz cipher, a major Nazi German cipher system which was used for top-secret communications within the Wehrmacht High Command.
He also had a number of significant mathematical accomplishments, including foundation work in the fields of graph theory and matroid theory."