The Healing Stone

About The Author: About The Author: John E. Hershey Has More Than 30 Years Experience In Telecom Security. The Author Or Co-Author Of Five Advanced Texts: \Hadamard Matrix Analysis And Synthesis: With Applications To Communications\ And \Signal/Image Processing; The Elements Of System Design; Data Transportation And Protection (Applications Of Communications Theory); Perspectives In Spread Spectrum; And Doppler Applications In Leo Satellite Communication Systems\ He Was Elected A Fellow Of The Ieee \For Contributions To Secure Communications\ And Currently Teaches Cryptography At Rensselaer Polytechnic Institute In Troy New York. He Lives In Ballston Lake New York.