Medical & Radiograhy History By jwalters0318 Sep 10, 1895 Wilhelm Conrad Roentgen discovers x-rays Mar 27, 1896 French scientist Henri Becquerel discovers natural radiation Jun 1, 1896 X-rays being used by battle field physicans Jul 27, 1913 1913 when the high vacuum X-ray tubes designed by Coolidge X-rays go industrial Nov 25, 1975 Robert Ledley inventor of CAT-Scans was granted patent #3,922,552 for a "diagnostic X-ray systems"
