July 20th, 1901 letter from Wilhelm Rontgen to Nikola Tesla July 20th, 1901 Dear Sir! You have surprised me tremendously with the beautiful photographs of wonderful discharges...
June 11th, 1931 letter from William S. Lee to Nikola Tesla June 11th, 1931 American Institute of Electrical Engineers 33 West Thirty-ninth Street New York William S. Lee...
June 1931 letter from Albert Einstein to Nikola Tesla June, 1931 Dear Mr. Tesla, It is with great joy that I hear you are celebrating your 75th birthday, and as a...