Grenville Kleiser was born in 1868, in Toronto, Canada. He married to Elizabeth Thompson in 1894. Grenville died in August, 1935 in New York City. He was the author of a long list of inspirational books and guides to oratorical success and personal development. Among his titles were "Inspiration and Ideals", "Christ, the Master Speaker", "How to Succeed in Life" and "Taking God into Partnership".

Excerpt from “Christ the Master Speaker:”
Comparatively few students of public speaking have thought of studying Christ’s method of delivery. This book, therefore, suggests a new and important field of inquiry. The supreme element in Christ's speaking was its authoritativeness. His clear, definite, vital message had the weight of eternity behind it. Absolutely convinced of the truth of his message, "He spoke as one having authority, and not as the Scribes." As one has well said, "The form of Christ's teaching was as varied and as simple as were its methods. It was the spontaneous outcome of the requirements of the moment.