Career
Competing in four Summer Olympics, he earned three bronze medals (Individual épée: 1928, Team foil: 1932, Team épée: 1932)
A native of Boston, Massachusetts, Calnan did not start fencing until he was a student at the United States Naval Academy in Annapolis, Maryland. By the time he was a senior, he was captain of the Navy"s fencing team Two years later, Calnan competed for the United States at the 1924 Summer Olympics in Paris where he finished tied for fifth in the team épée competition.
Calnan took the Olympic Oath at the 1932 Summer Olympics in Los Los Angeles
Calnan was among the 73 fatalities of the United States Ship Akron crash in 1933. He had a lieutenant"s rank at the time of the crash.
He was posthumously inducted in the United States Fencing Hall of Fame in 1963, among the first inductees.