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.
Bill O'Reilly and Martin Dugard. Bill O'Reilly is the anchor of The O'Reilly Factor, the highest-rated cable news show in the country. He is the author of many number-one bestselling books, including Killing Lincoln, Killing Kennedy, Killing Jesus, and Killing Patton.