In 1947, a slim volume written by a largely unknown General
Motors corporate executive was issued by a small publishing house
under the title of Mainspring of Human Progress. The book began
with an intriguing chapter entitled "Puzzling Questions of Vital
Concern to 2,155,000,000 Individuals," led off with this curious
For 60 known centuries, this planet that we call
Earth has been inhabited by human beings not much
different from ourselves. Their desi...