Whitefield, George, 1714-1770 (Personal Name)
Greenfield, J. Lessons from the life of George Whitefield ... 1915.
Wikipedia, Apr. 15, 2016 (George Whitefield (Dec. 27, 1714 - Sept. 30, 1770), also known as George Whitfield, was an English Anglican cleric who helped spread the Great Awakening in Britain and, especially, in the American colonies; one of the founders of Methodism and of the evangelical movement generally; he exercised influence over thousands in Great Britain and America by his oratory; in 1740, during his second visit to America, Whitefield published "an open letter to the planters of South Carolina, Virginia, and Maryland" chastising them for their cruelty to their slaves; some historians date it as the genesis of African-American Christianity) https://en.wikipedia.org/wiki/George_Whitefield