We speculate this author may be Elmer (or Edward: sources vary) James Rollings, born in Kentucky in 1892, and founder of the Metropolitan Tabernacle in Detroit, Michigan.
Sources
Detroit Free Press, November 6, 1965, page 6
Religion and American Politics: From the Colonial Period to the Present, by Mark A. Noll & Luke E. Harlow (Oxford University Press, 2007), p. 304
Seasons of Refreshing: Evangelism and Revivals in America, by Keith J. Hardman (Wipf & Stock, 2006), p. 244