1 story on this theme.
Rúḥíyyih Khánum's *The Priceless Pearl* recounts how, in 1942, Shoghi Effendi asked his own father-in-law — the celebrated Canadian architect William Sutherland Maxwell, then resident in Haifa — to design the arcade and superstructure of the Shrine of the Báb on Mount Carmel. The colonnade of Baveno granite and the Chiampo arches were the answer.