National Radiologic Technology Week Radiologic Technology Week®” asrt.org, 2013. http://www.asrt.org/events-and-conferences/national-radiologic-technology-week/ways-to-celebrate-nrtw “National Radiologic Technology Week®” asrt.org, 2013. http://www.asrt.org/events-and-conferences/national-radiologic-technology-week National Radiologic Technology Week National Radiologic Technology Week® (NRTW®) is an annual event established by the American Society of Radiologic Technologists to celebrate the important role medical imaging and radiation therapy professionals play in patient care and health care safety. The weeklong celebration highlights the radiologic technology profession and raises public awareness about radiologic technologists. The first National Radiologic Technology Week® was held July 22-29, 1979. The annual celebration was later changed to November to commemorate the anniversary of the x-ray’s discovery by Wilhelm Roentgen on Nov.
Multiple discovery independent discovery". Robert K. Merton defined such "multiples" as instances in which similar discoveries are made by scientists working independently of each other. Merton contrasted a "multiple" with a "singleton"—a discovery that has been made uniquely by a single scientist or group of scientists working together. As Merton said, "Sometimes the discoveries are simultaneous or almost so; sometimes a scientist will make a new discovery which, unknown to him, somebody else has made years before." Commonly cited examples of multiple independent discovery are the 17th-century independent formulation of calculus by Isaac Newton, Gottfried Wilhelm Leibniz and others, described by A.