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
Natura Artis Magistra The library is part of the special collections of the University of Amsterdam. Natura Artis Magistra Artis, short for Natura Artis Magistra (Latin for "Nature is the teacher of the arts"), is a zoo in the centre of Amsterdam. It is the oldest zoo in the Netherlands and one of the oldest zoos of mainland Europe. Next to possessing a zoo, Artis also contains an aquarium and a planetarium. Artis also has an arboretum and a fairly large art collection. A part of the art collection is on display in the Aquarium building of the zoo. Artis contains 27 monumental