The x-ray's early days.
McClafferty
C K
CK
D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011859:Radiography / Q000266:history; D011871:Radiology / Q000266:history*; D013679:Technology, Radiologic / Q000266:history; D014965:X-Rays