Grenville KleiserGrenville Kleiser (1868-1953) was a North American author. He was the author of a long list of inspirational books and guides to oratorical success and personal development. Kleiser also worked as an instructor in Public Speaking at Yale Divinity Schol, Yale University.[1] Kleiser was born in 1868 in Toronto, Ontario, Canada. He married Elizabeth Thompson in 1894. Grenville died on August 27, 1953[2] in New York City. Read More Read Less