 He received a degree in theology from St John's College, Auckland in 1902, joined the Anglican Melanesian Mission in 1903 and was ordained the same year.Around 1924, Fox worked on a dictionary and grammar of the Arosi language of Makira (formerly San Cristobal) in the Solomon Island (), and the Lau language of Malaita ().He also wrote "Beliefs and Tales of San Cristobal" in 1915, later translated and printed in "J Royal Anthropological Inst."