Robert C. Knudsen is a professional photographer with tens of thousands of Arlington images in his portfolio taken during over four thousand hours at the cemetery. A lifetime member of the Navy League and an honorary member of the Marine Corps League, he has been an official photographer with the Association for the U.S. Army for over nineteen years and has taken photographs for every branch of the military, both houses of Congress, every president from Kennedy until today, the Washington Nationals, and Disney World, among other clients. He was featured as one of the top panoramic photographers in the country by KODAK in 2000. He lives in Fairfax Station, Virginia.