Vienne has already posted the link for the scholarly and well-researched book cited below. I suggest you check out customer reviews, written by individuals who are familiar with what is true and not true about C.T. Russell and his exploits.
A Separate Identity: Organizational Identity Among Readers of Zion's Watch Tower: 1870-1887
https://www.amazon.com/Separate-Identity-Organizational-Readers-1870-1887/dp/1304969401