Ukrainian physicist contributes to the discovery of X-rays.
Mayba
I I
II
Gaida
R
R
Kyle
R A
RA
Shampo
M A
MA
D049672:History, 19th Century; D049673:History, 20th Century; D010678:Philately; D010825:Physics / Q000266:history; D011859:Radiography / Q000266:history*; D014455:Ukraine