Born: June 17, 1870, Newcastle, New South Wales, Australia.
Died: May 1, 1941, Melbourne, Australia.
Buried: Box Hill Cemetery, Box Hill, Victoria, Australia.
Arthur was the son of baker and Methodist Sunday school superintendent William Arnott.
He joined the Salvation Army in Newcastle. In 1898, he was appointed as private secretary to Commandant Herbert Booth, who as at the time Territorial Commander for Australia and New Zealand.
Arnott later served as director of the Melbourne Subscribers’ Department, Men’s Social Secretary (1906–12), Special Efforts Secretary (1912–21 & 1933–35), and as Young People’s Secretary (1921–33).
He retired as a colonel in 1935 to live in Canterbury, Victoria.