Bryant Tuckerman


Louis Bryant Tuckerman, III was an American mathematician, born in Lincoln, Nebraska. He was a member of the team that developed the Data Encryption Standard.
He studied topology at Princeton, where he invented the Tuckerman traverse method for revealing all the faces of a flexagon.
Also, on March 4, 1971, he discovered the 24th Mersenne prime, a titanic prime, with a value of