The person speaking is Rev. William Hornaday, a minister of the “Religious Science” or “Science of Mind” movement. The Dr. Holmes he quotes is Ernest S. Holmes, who founded this movement in the 1920s. Dr. Holmes was influenced by Mary Baker Eddy and Christian Science.
Rev. William Hornaday is sometimes confused with Dr. William T. Hornaday, a zoologist and pioneer in wildlife conservation.
Dr. Hornaday was the minister at Founders Church of Religious Science in Los Angeles, one of Dr. Holmes’s closest associates, and onetime president of teh United Church of Religious Science.