This German's discovery of x-rays in 1895 had visible effects in diagnosing medical problems
[DOC] [TLE] Medical Applications of X Rays - SLAC National Accelerator ... [PAR] The discovery of the X ray in 1895 was one of the most ... German physics 
professor Wilhelm Conrad Roentgen discov- ... for medical diagnosis, including 
the use of fluoroscopy to ... visible.