Early History of X Raysys by ALEXI ASSMUS The The discovery ofX rays TEET吓阻 in 1895 was the THROUCH A BLOCK OF WOOD beginning of a “如 unl Ihe Goins wihin your PuIse revolutionary change ADMISSION 3d AL DAv in our understanding WONDERFUL NET X RAY PHOTOGRAPHS TAKEN of the physical world SEES THROUGH N THE WINTER of the year of his fiftieth birthday, and the year following his appointment to the leadership of the University of Wurzburg, Rector Wilhelm Conrad Roentgen noticed a barium platinocyanide screen fluorescing in his laboratory as he ARE generated cathode rays in a Crookes tube some distance away Leaving aside for a time his duties to the university and to his students, Rector Roentgen spent the next six weeks in his labora tory, working alone, and sharing nothing with his colleague 10 SUMMER 1995Early History of X Rays by ALEXI ASSMUS 10 SUMMER 1995 The discovery of X rays in 1895 was the beginning of a revolutionary change in our understanding of the physical world. I N THE WINTER of the year of his fiftieth birthday, and the year following his appointment to the leadership of the University of Würzburg, Rector Wilhelm Conrad Roentgen noticed a barium platinocyanide screen fluorescing in his laboratory as he generated cathode rays in a Crookes tube some distance away. Leaving aside for a time his duties to the university and to his students, Rector Roentgen spent the next six weeks in his labora￾tory, working alone, and sharing nothing with his colleagues