title: Röntgen's discovery of X-ray and Lenard's priority claim; award of first Nobel Prize in physics in 1901.
mesh_terms: D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009613:Nobel Prize; D011871:Radiology / Q000266:history*; D014965:X-Rays / Q000266:history