Bernard C. Fritz, 88, a retired scientific and technical analyst with the Central Intelligence Agency, died Jan. 24 at Virginia Hospital Center in Arlington County after a heart attack. He was a resident of Arlington.

A son-in-law, Thomas Hilt, confirmed the death.

In 1949, Mr. Fritz began working in intelligence with the old Armed Forces Security Agency, the predecessor of the National Security Agency. He joined the CIA in 1951.

According to his son-in-law, an intelligence official, Mr. Fritz was among the few CIA officers who analyzed U-2 spy-plane imagery of the Soviet Union in the late 1950s.

Mr. Fritz had overseas assignments in the United Kingdom and Australia and later served as chief of the CIA’s scientific and technical operations center. He retired in 1977.

Bernard Carlton Fritz was born on a farm near Bladen, Neb. During World War II, he was part of an officer training program at Western Michigan University and near the end of the war was commissioned as a Marine Corps officer.

He graduated from Western Michigan in 1947 and later served in the Marine Corps Reserve.

He was a founding member of Reston Unitarian Universalist Church.

Survivors include his wife of 67 years, Frances Thayer Fritz of Arlington; three daughters, Rebecca Fritz of Reston, Juliana Hilt of Washington and Angela Baldwin of Petersburg, Va.; and a sister.

— Matt Schudel