Nations first portable plant cobalt radiation experiment at the U of Vas Blandy experimental farm at Boyce, Virginia on July 19, 1957, is observed by three geneticists, Te-Hsin Ma, Dr. W. Ralph ... more 
Nations first portable plant cobalt radiation experiment at the U of Vas Blandy experimental farm at Boyce, Virginia on July 19, 1957, is observed by three geneticists, Te-Hsin Ma, Dr. W. Ralph Singleton and Alan Caspar (left to right). They use Geiger counter to test 30-foot diameter circle which houses cobalt which is in 2-ton lead block. (AP Photo) less 
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Associated Press | Photo By AP Photo
Wed, Dec 4, 2013 8:00 AM EST