Transmission of Information in Bell System Technical Journal 7, 1928, pp. 535-563
New York: American Telephone and Telegraph Co, 1928. 1st Edition. FIRST EDITION OF RALPH HARTLEY'S FOUNDATIONAL PAPER ON INFORMATION THEORY -- work that was "the single most important prerequisite" for Shannon's theory of information" (Wikipedia). Shannon acknowledged his debt to Hartley in the first paragraph of his landmark 1948 paper..... More