Arthur Conger was born in Akron, Ohio, on January 30, 1872. He joined the Theosophical Society in 1892. He worked at the International Headquarters in New York City under the direction of Katherine Tingley, becoming her first private secretary.
He left the Headquarters to join the military and after W.W.I returned to theosophic work, rendering his services to both Katherine Tingley and Gottfried de Purucker. In 1932 and 1939 until 1945 Conger served as President of the American Section. From 1945 to 1951 he was the Leader of The Theosophical Society, guiding the Society toward a broader recognition of humanity's need for a theosophic perspective on global issues and daily living.
He was editor of the Society's magazine, The Theosophical Forum, and edited and published Practical Occultism: from the Private Letters of William Q. Judge, and The Dialogues of G. de Purucker (3 volumes). He died in Pasadena, California, on February 22, 1951.