The most interesting, vibrant and booming city in 1920s America was Los Angeles. Tens of thousands of new folks annually flocked to the City of Angels to enjoy its balmy, year-round pleasant weather. The site of new industries, including oil and technology companies and Hollywood film studios, it sparked another important and thriving, but less known, sector: the city's expanding religious communities.As hard as it is for many to connect LA to religious matters, few cities gave more impetus to spiritual innovation than this idyllic Southern California metropolis. No two figures shaped this...