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About The Authors

Jim Quirin holds Bachelor’s and Master’s Degrees in Electrical Engineering from the University of Illinois, and is retired from the  Lockheed Martin Corporation where he was employed for 29 years as a senior staff design engineer in the Space Shuttle Program. He worked at NASA’s Michoud Assembly Facility in New Orleans where the External Fuel Tank for the Space Shuttle was manufactured and assembled .

Jim’s interest in popular music and rankings dates back to his early youth in Smithton, Illinois, where he collected feedback from neighborhood friends to produce typewritten rankings of their particular favorites. This interest continued into high school, where he started his extensive personal collection of 45 rpm singles. His collection provided much of the musical material for the "Rock Of Ages" weekly radio show in 1975.


Dr. Barry Cohen holds a Bachelor of Arts Degree in Mathematics from UCLA, and a Ph.D. in Mathematics from the University Of Illinois. Barry is a leading expert in the field of interactive multimedia, with over 25 years of experience. He is credited with producing the first commercially successful interactive multimedia training course, and currently runs his own consulting business.

He has been following the popular music scene from the days when he listened to the original TV countdown of pop music hits, "Your Hit Parade." In 1975, he joined forces with Jim Quirin to found Chartmasters, publish ROCK 100, and produce WLRW's "Rock Of Ages" radio program.

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