James Long (British Army officer)
Colonel James Long was a British Army officer during the 18th century.
John Gibbon
John Gibbon( April 20, 1827 – February 6, 1896) was a career United States Army officer who fought in the American Civil War and the Indian Wars.
Thomas Henry Johnston (British Army officer)
General Thomas Henry Johnston( died 1891) was a British Army officer.
William Thwaites
General Sir William Thwaites,( 9 June 1868 – 22 June 1947) was a British Army officer who served as commander of the British Army of the Rhine.
John Gibbon (British Army officer)
General Sir John Houghton Gibbon( 21 September 1917 – 1997) was a British soldier who served as Master- General of the Ordnance from 1974 until his retirement in 1977.
Charles Hagart
Colonel Charles Hagart CB was a British Army officer.
Arsen Harutyunyan
Arsen Harutyunyan( born 16 March 1968) is an Armenian alpine skier.
He competed at the 1998 Winter Olympics and the 2002 Winter Olympics.
George Bernard
General George Bernard( died May 1820) was a British Army officer.
Charles Sybourg
Lieutenant- General Charles Sybourg was a British Army officer.
Thomas Morris (British Army officer)
Thomas Morris( 1732? –1818?) was a British Army officer and writer.

Question: Who is younger, Arsen Harutyunyan or John Gibbon (British Army Officer)?
Answer: Arsen Harutyunyan