Experiment coordinatorFollowing Mercury, I joined the Cape team as the in flight experiments integrator Dealing with the Halls of Ivy guys wasn t always easy Tougher still was the Dod This book tells it right A good read,thank you Messrs Hacker and Grimwood Gene Hummel Great detailed insight into the US Gemini space program. A detailed, yet highly readable book, On the Shoulders of Titans should be the starting point for all who are interested in the basic history of the Gemini Program NASA s second human spaceflight program, Gemini laid the groundwork for the ambitious Apollo program which put astronauts on the Moon This informative and entertaining book had long been out of print and is now available in softcover format Recommended for students, scholars, journalists, hobbyists, and all who are interested in human spaceflight history