Bryant Tuckerman
Template:Short description Template:Use mdy dates Template:Infobox scientist Louis Bryant Tuckerman, III (November 28, 1915 – May 19, 2002) was an American mathematician born in Lincoln, Nebraska. He was a member of the team that developed the Data Encryption Standard (DES).<ref name=bio />
He studied topology at Princeton, where he invented the Tuckerman traverse method for revealing all the faces of a flexagon.<ref name=bio />
On March 4, 1971, he discovered the 24th Mersenne prime,<ref>Template:Cite journal</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> a titanic prime, with a value of
- <math>2^{19937}-1</math>.