Wallace Delois Wattles (1860-1911), a self-professed failure in his early years, began a systematic study of religion and philosophy. Ultimately he crafted a positive-thought philosophy of his own.
His popular books include such titles as "Health Through New Thought and Fasting," "The Science of Getting Rich," "The Science of Being Great," "The Science of Being Well," and a novel, "Hellfire Harrison. He remains best known for his classic "The Science of Getting Rich."