Bletchley Park's Bill Tutte recognised 100 years after birth

A mathematician who helped crack Nazi code at Bletchley Park during World War Two is being celebrated 100 years on from his birth.

Bill Tutte helped break the code of the German High Command but received no recognition from the government during his lifetime.

He was born in Newmarket, Suffolk, on 14 May 1917. Bletchley Park has opened a new exhibition about his life.