Wilhelm Röntgen

Dr. Tesla Writes of Various Phases of His Discovery. To the Editor of The New York Times: You have given considerable space to the subject of cosmic rays, which seems to have aroused general attention...

To the Editor of The Sun — Ever since Nikola Tesla died on January 7 I have been wondering where I filed a clipping from some paper of the 1890s which told of his early experiment with Roentgen rays...