The son of a career Army officer and a homemaker, he was born in Indianapolis and raised in Japan and Germany, where he graduated from high school in Munich in 1956. He served in the Army from 1959 to 1969.
Mr. Kinnaman worked for the National Aeronautics and Space Administration for a year before going to work in 1972 as an intelligence analyst for NSA. He had been stationed in Turkey and Germany, and retired from the agency in 1993.
He earned a bachelor's degree in 1976 from the University of Maryland, College Park and a master's degree in 1985 from Boston University.
The longtime Columbia resident, who moved three years ago to Riderwood Village, a Silver Spring retirement community, was an Olympics enthusiast.
He "created the only Olympic Car Badge information website in the world," said his wife of 24 years, the former Margaret "Maggie" Shuster.
"The inspiration for this creation married his love for the Olympics with his love of vintage automobiles,' said his wife.
Mr. Kinnaman was a member of the board of the Olympin Collectors Club and had organized an Olympics show that was held in Chicago this year. He also was a member of the International Society of Olympic Historians.
During the 1970s, he was a member of the Severna Park Jaycees.
Mr. Kinnaman was a member of the retirement community's softball, tennis and table tennis teams, and also was the founder of the Shadow People, a club made up of former NSA employees.
He was an avid fan of University of Maryland sports and had followed its women's basketball team for many years, his wife said. He was a world traveler.
A memorial service will be held at 1 p.m. Sunday in the chapel at Riderwood Village, 3110 Gracefield Road, Silver Spring.
In addition to his wife, Mr. Kinnaman is survived by two daughters, Stacey Kinnaman of Lewes, Del., and Kelly Kinnaman of Burbank, Calf. An earlier marriage to the former Donna Bird ended in divorce.