William Duane.
D002627:Chemistry, Physical / Q000266:history*; D003120:Colorado; D055590:Electromagnetic Phenomena; D049672:History, 19th Century; D049673:History, 20th Century; D010297:Paris; D011854:Radiochemistry / Q000266:history*; D011883:Radium / Q000266:history
D011883:Radium