Diner-Joseph Denes

* Liptószentmiklós, June 27, 1857 – † Paris, August 5, 1937 / engineer, art historian, social democratic politician ; ; He studied engineering at the universities there in Vienna, Dresden, Paris and Brussels. He then studied physics, chemistry, archaeology, art history and philosophy. In 1881 he became an official of the MNM, and his art history studies were published. In Berlin he worked for the Freie Bühne. Returning to Budapest in 1893, he founded the journal Élet with the ethnographer Lajos Katona (1862–1910). From 1906 to 1910 he was the editor of the sociological journal Munka Szemléje, and then the head of the Irodalmi Szalon library. He published numerous sociological, art history and literary studies. He joined the social democratic movement. In 1918 he was appointed Secretary of State for Foreign Affairs in the Károlyi government. During the Soviet Republic he was sent to Paris. He later moved to America, then returned to Paris, from where he never returned. He was a colleague of the socialist Populaire, Léon Blum (1872–1850), and belonged to the circle of friends of the later French prime minister. In 1933, Marx's biography of Karl was published in French, to which Blum wrote a foreword. In his volume on Leonardo da Vinci he attempted to apply the Marxist method of writing art history. He was one of the organizers of the world's first workers' movement museum, the Communist Proletarian Museum. ; ; His main works: ; The History of Ivory Carving, 1890, ; Vergangenheit und Zukunft, 1896, ; Leonardo da Vinci and the emergence of the Renaissance, 1906.