Martha Root (standing, back row, center) was the honored guest at a celebration for the Twelfth Day of Ridvan, Shiraz, Iran, 1930 LINK
Martha Louise Root (August 10, 1872 – September 28, 1939) was a prominent traveling teacher of the Bahá'í Faith in the late 19th and early 20th century. Shoghi Effendi, then head of the Bahá'í Faith, called her "the foremost travel teacher in the first Bahá'í Century", and named her a Hand of the Cause posthumously. Known by her numerous visits with Heads of State and other public figures, of special importance was her efforts with Queen Marie of Romania, considered the first royal to accept Bahá'u'lláh. Wiki
Queen Marie of Romania
Oahu Cemetery --Martha Root's final resting place