He became a Baha'i in 1921 and in 1926 he acted as the literary adviser to Shoghi Effendi, reading through and editing all of the Guardian's major publications. At Shoghi Effendi's request he wrote

In December 1898, with the kindness and graciousness of Phoebe, she invited Robert (as her butler) to assist her, along with Lua and others to visit the Holy Land.