Leo Buscaglia was an American author, motivational speaker, and professor. He was best known for his books, lectures, and television programs which focused on the importance of love in everyday life. His most famous work was Love, a best-selling book published in 1978. He was also known for his work as a professor at the University of Southern California, where he taught classes on human relationships. He was an inspirational figure to many, and his work as a writer helped to spread his message of love and acceptance.