What is a good definition for leadership in business? A letter of authorization may aid a person who requires help to perform critical duties in a formal setting. Legally, a letter of authority is sufficient to delegate sensitive legal, health or financial obligation to another person or entity. Typically, the letter of authorization is typed following an acceptable professional business format and applies correct grammar.
Tim O'Brien Biography. The author Tim O'Brien is not unlike the character called Tim that he created for his novel, The Things They Carried, as both author and character carry the stories of similarly experienced lives. O'Brien not only shares the same name as his protagonist but also a similar biographical background.
Timothy MacKenzie Tim Gunn (born July 29, 1953) is an American fashion consultant, television personality, actor and author. He served on the faculty of Parsons The New School for Design from 1982 to 2007 and was chair of fashion design at the school from August 2000 to March 2007, after which he joined Liz Claiborne as its chief creative officer.