Xenon

Xenon is a chemical element; it has symbol Xe and atomic number 54. It is a dense, colorless, odorless noble gas found in Earth's atmosphere in trace amounts. Although generally unreactive, it can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized.

English chemist (1872–1961)

gas discharge lamp

frame|Helical xenon flashtube emitting Black body#Transmission, absorption, and reflection|greybody radiation as white light. (Animated version below.)