1896 Wilhelm Conrad Rontgen November 8 in physics more Germans have begun to study and research on x-rays while experimenting with vacuum tubes. And then in December 28 1895, he wrote a report On a new kind of ray's: A preliminary communication on which this report is talking about x rays which have been identified as a specific type of radiation is not (so named as x rays) as a result, the name Ray was more popular and widely used name that scientists have given it's roenken color (Rontgen rays), and Physics Nobel Prize Rontgen from the discovery and proof of this phenomenon.