The book ""Affirmation of Immortality: Being the Ingersoll Lecture on the Immortality of Man for 1946"" is authored by John H. Holmes. The book is a collection of lectures that were delivered by the author in 1946 on the topic of immortality of man. The book delves into the concept of immortality and explores various aspects of it, including the nature of the human soul and its relationship with the body, the concept of life after death, and the role...