Howard Dietz Howard Dietz Howard Dietz (September 8, 1896 – July 30, 1983) was an American publicist, lyricist, and librettist. Dietz was born in New York City. He attended Columbia College and then studied journalism at Columbia University. He also served as publicist/director of advertising for Goldwyn Pictures and later MGM and is often credited with creating Leo the Lion, its lion mascot, and choosing their slogan "Ars Gratia Artis". In 1942, he was made MGM's Vice President in Charge of Publicity. He held that position until his retirement in 1957. He began a long association with composer Arthur Schwartz when they
Ars historica Pietro Perna distinguished himself as a promoter of a new cultural and religious model rooted in Erasmian critical standards in religion and medicine but also in historical scholarship. As a historical printer he is best known for his illustrated editions of Paolo Giovio, but also for editions of standard and contemporary works, including Protestant chronicles and histories. Perna brought together all the major authors and works of the "ars historica " in two compilations. The "Methodus historica " (1576) featured Bodin followed by another dozen titles. The "Artis Historicae Penus" (1579) adds another five titles for a total of 18