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
Dei Gratia Regina bust of the emperor or empress included the initials "D. G.", for the Latin "Dei Gratia". . Australian coins included the phrase "Dei Gratia Rex" or "Dei Gratia Regina" in some form, including abbreviations, until 1964. With the introduction of decimal coinage in 1966, the phrase was dropped. . Under Queen Victoria Canadian coins read "Dei Gratia Regina" Canadian coins minted from 1902 until 1910 under King Edward VII read "Dei Gratia Rex Imperator" which is Latin for "By the Grace of God, King and Emperor". The "Dei Gratia" portion was removed temporarily from Canadian coinage in 1911 and led