Eustace Graham Keogh
Eustace Graham Keogh( 24 April 1899 – 9 November 1981) was an Australian Army officer and military historian who served in First and Second World Wars.
He won the AMF Gold Medal Essay three times, and was the editor of the" Australian Army Journal" from 1948 to 1964.
He published several books on the Australian Army's campaigns.
John Cananus
John Cananus or John Kananos was a Byzantine Greek historian who lived during the first half of the 15th century.
Frank McKenna (English footballer)
Francis Charles" Frank" McKenna( 9 December 1902 – 1947) was an English professional footballer who played as an inside forward.
John Cantwell (general)
Major General John Patrick Cantwell,( born 9 October 1956) is a retired senior Australian Army officer.
John O'Brien (water polo)
John O'Brien( born 8 October 1931) is an Australian water polo player.
He competed at the 1956 Summer Olympics and the 1960 Summer Olympics.
John O'Brien (Australian Army officer)
Major General John William Alexander O'Brien,( 13 June 1908 – 27 May 1980) was a senior officer in the Australian Army during the Second World War.
He was awarded the Distinguished Service Order for his service as commander of the 2/5th Field Regiment during the Syria – Lebanon Campaign.
As Deputy Master General of the Ordnance he was involved in the development of the short 25- pounder and the Owen Gun.
After the war he was the Australian supply and defence production representative in Washington, D.C., from 1951 to 1954, and the mayor of Woollahra from 1971 to 1972 and 1975 to 1976.
Gary Byles
Brigadier Gary Byles, is a retired senior public servant and a former Australian Army officer.
Lewis O'Brien (footballer)
Lewis John O'Brien( born 14 October 1998) is an English professional footballer who plays for Huddersfield Town, as a midfielder.
John O'Brien (Australian politician)
John O'Brien (6 July 1866 – 8 October 1932) was a Member of the Queensland Legislative Assembly.
Francis Charles Coppicus
Francis Charles Coppicus( 9 March 1880- 8 June 1966) was the general secretary of the Metropolitan Opera.
He was the manager for Enrico Caruso, Feodor Chaliapin, and Maria Jeritza.

Question: Who lived longer, Francis Charles Coppicus or John O'Brien (Australian Army Officer)?
Answer: Francis Charles Coppicus