Howard Dietz disease. 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
ARTIS International "Challenges Researching Terrorism from the Field" Using academic publications as a bedrock of the ARTIS research, fellows also frequently publish findings to more general audiences in major publications. Notable publications which have been driven through ARTIS International research include Terrorism: The Lessons of Barcelona, Paris: The War ISIS Wants, What Makes a Terrorist, How Spain Misunderstood the Catalan Independence Movement, Mindless Terrorists? The Truth about ISIS is Much Worse, ISIS After the Caliphate, ISIS: The Durability of Chaos, Why We Talk to Terrorists, and Give Palestine's Unity Government a Chance. ARTIS fellows have long looked at the behavioral dimensions of