Not that this helps at all but:
The Messenger, a JW newspaper, stated:
Dr. A.G. Eckols [a follower of Rutherford], of San Diego, urged him to make the city his permanent home; and in the latter part of 1929 some brethren, out of their own personal funds, arranged for the erection of Beth-Sarim… from http://www.adam.com.au/bstett/JwBethSarim95.htm
~Merry