This episode is part 43 of the Christian History Series. This podcast focuses on the teachings of the Liberal Theologians who helped shaped the seminaries of the 20th Century.
The sources I used to bring you this episode are:
"A Concise History of Christian Thought" by Tony Lane
https://www.amazon.com/Concise-History-Christian-Thought/dp/0801031591/ref=sr_1_fkmr2_1?keywords=Christian+Thinkers+Tony+Lane&qid=1579476358&sr=8-1-fkmr2
https://en.wikipedia.org/wiki/Unitarianism