September 28. On this date in 1939, Martha Root died. Shoghi Effendi had called her "the foremost travel teacher in the first Bahá'í Century" and posthumously named her a Hand of the Cause. Martha Root had met with Queen Marie of Romania, who Bahá'í sources claim was the first monarch to convert to the faith, although her daughter Ileana denied any such conversion had taken place.

September 28. On this date in 1939, Martha Root died. Shoghi Effendi had called her "the foremost travel teacher in the first Bahá'í Century" and posthumously named her a Hand of the Cause. Martha Root had met with Queen Marie of Romania, who Bahá'í sources claim was the first monarch to convert to the faith, although her daughter Ileana denied any such conversion had taken place:

It is perfectly true that my mother, Queen Marie, did receive Miss Martha Root several times…..She came at the moment when we were undergoing very great family and national stress. At such a moment it was natural that we were receptive to any kind of spiritual message, but it is quite incorrect to say that my mother or any of us at any time contemplated becoming a member of the Baha’i faith.

As regards her travel teaching, Shoghi Effendi noted her cooperation with Esperanto societies as "an excellent means of spreading the Cause."
Martha Root also authored a number of works, including one about Táhirih, titled Táhirih the Pure, wherein she notes...

The question of her returning to her husband arose, and this she absolutely refused to do. Try as they might, she would not consent to be reconciled with her husband, Mullá Muhammad. She gave as her reason: "He, in that he rejects God's religion, is unclean; between us there can be naught in common."