Michigan State University

David T. Shidle, a career NSA crypto-mathematician, dies

David T. Shidle, a career NSA crypto-mathematician, dies

David T. Shidle, a retired National Security Agency crypto-mathematician who was also a pig fancier, died Monday from cancer at Howard County General Hospital.

The Ellicott City resident was 75.

“Every encounter with Dave was a learning experience,” said Lew Shipp, of Columbia, who was NSA branch chief when he worked with Mr. Shidle. “He showed us all that the smartest guy in the room could also be the warmest, funniest and wisest.”

David Thomas Shidle was the son of Joseph Shidle, a coal miner, and Ann Pawuk Shidle, a cafeteria worker. He was born and raised in Commodore, Pa., where he graduated in 1960 from Purchase Line High School and was his class...

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