All publications on this site were authored by Robert M. "Bob" Krone, Ph.D. beginning in the 1960s. All photography was also done by Bob Krone commencing in 1948. Publications may be used for education purposes only with professional accreditation. Photographic images and videos may also be copied. A donation to Kepler Space University, through BobKrone@aol.com would be appreciated and used for continuing education of scholars and youth.