when was the right which  Marvin Worth purchased published
Marvin Worth Marvin Worth (June 6, 1925 – April 22, 1998) was an American film producer, screenwriter and actor perhaps best known for his efforts to bring the biography of Malcolm X to the big screen. His efforts spanned from 1967, when he purchased the rights to "The Autobiography of Malcolm X", leading to the production of the 1972 documentary, for which he received an Oscar nomination. Later on, he would help produce "Malcolm X", directed by Spike Lee. He was nominated for an Oscar for producing Lenny (1974).
The Greatest Salesman in the World The Greatest Salesman in the World is a book, written by Og Mandino, that serves as a guide to a philosophy of salesmanship, and success, telling the story of Hafid, a poor camel boy who achieves a life of abundance. The book was first published in 1968, and re-issued in 1983 by Bantam. A hardcover edition was published by Buccaneer Books in June, 1993. In 1970, Success Motivation Institute purchased the rights to produce the audio recording.