- Access Excellence Classic Collection The Discovery Of Radioactivity: The Dawn of the Nuclear Age Fran Slowiczek, Ed.D and Pamela M. Peters, Ph.D. One hundred years ago, a group of scientists unknowingly ushered in the Atomic Age. Driven by curiosity, these men and women explored the nature and functioning of atoms. Their work initiated paths of research which changed our understanding of the ...www.accessexcellence.org/AE/AEC/CC/radioactivity.html