Ruherford went as far as to promote the idea that facial hair was the result of sin.
I am not sure if the "theory" was ever printed but i know for fact that when i was very young it was told to me by top guns when i asked about it
That is why Adam and jesus were not shown with facial hair in wt literature prior to the early 60. They may still keep such books at the kh libraries. Check the most widely wt distribuited book at the time, the pink book "Paradise lost..." printed around 1960