Wilhelm Roentgen.

Discovery of the X-Ray 1895

Responsible for the discovery of the X-Ray, Roentgen when doing experiments with florescence lights, barium platinocyanide and, Crookes tube. Conducted an investigation whether cathode rays could pass through glass.

within this experiment he discovered a breakthrough in which he noticed that rays emitted from the tube passed through its shielding, in which reflected the shadow like image onto the paper. 

This discovery led to technological advancement in the medical industries, serving as a helpful tool to medical professionals allowing them to get a visual of the injuries inflicted on the patient's bones. 

 The first ever X-Ray of Wilhelm Roentgen hand (1895)