Article · Wikipedia archive · Last revised Jul 15, 2026

Bryant Tuckerman

Louis Bryant Tuckerman III was an American mathematician. He was a member of the team that developed the Data Encryption Standard (DES).

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Bryant Tuckerman
Born(1915-11-28)November 28, 1915
DiedMay 19, 2002(2002-05-19) (aged 86)
Alma materPrinceton University
Antioch College1
Scientific career
FieldsMathematics
InstitutionsCornell University
Oberlin College

Louis Bryant Tuckerman III (November 28, 1915 – May 19, 2002) was an American mathematician. He was a member of the team that developed the Data Encryption Standard (DES).1

He studied topology at Princeton, where he invented the Tuckerman traverse method for revealing all the faces of a flexagon.1

On March 4, 1971, he discovered the 24th Mersenne prime,23 a titanic prime, with a value of

2 19937 1 {\displaystyle 2^{19937}-1} .
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