Thomas Henry Cosgrove, a retired National Security Agency employee, died of cancer Jan. 22 at a daughter's home in Orlando, Fla. The Lanham resident was 73.
Mr. Cosgrove was born and raised in Dubuque, Iowa, and earned a bachelor's degree in electrical engineering from Iowa State College in 1954.
He served in the Air Force from 1955 to 1956, when he began his NSA career. His work was of a classified nature, family members said.
Mr. Cosgrove was awarded the NSA's Meritorious Civilian Service Award.
An avid crossword puzzle enthusiast, Mr. Cosgrove was married for 27 years to the former Ellen Mae York, a homemaker, who died in 2000.
He was a communicant of St. Bernard Roman Catholic Church in Riverdale.
A funeral Mass was offered Thursday at Our Lady of Perpetual Help in Edgewater.
Mr. Cosgrove is survived by two sons, Mark T. Cosgrove of Edgewater and Greg Cosgrove of Baltimore; two daughters, Patricia Tonchuk of Orlando and Therese Dodson of Fredericksburg, Va.; a sister, Mary Locher of Naperville, Ill.; and seven grandchildren.