jan 1, 1870 - Wilhelm Röntgen
Description:
Lennep, Germany1870
His work was first published in 1870, explaining the heats of gases and he also made a paper on the thermal conductivity of crystals. In 1895 Roentgen discovered X rays while he was gathering more research on cathode rays.
Added to timeline:
Date:
jan 1, 1870
Now
~ 156 years ago