Alan Baker was born the 19th of August 1939 in London, England. In 1970, when he was 31 years old, he was awarded the Fields Medal at the International Congress at Nice. This was awarded for his work on Diophantine equations
... out with 28.2% under the age of 18, 7.5% from 18 to 24, 33.5% from 25 to 44, 23.9% from 45 to 64, and 6.9% who are 65 years of age or older. The median age is 34 years. ...