Are Robin McKinley and Primo Levi both authors ?
Robin McKinley Jennifer Carolyn Robin McKinley (born November 16, 1952), known as Robin McKinley, is an American author of fantasy and children's books. Her 1984 novel "The Hero and the Crown" won the Newbery Medal as the year's best new American children's book.
Bob LeVitus Bob LeVitus (also known as "Dr. Mac") is an American author of more than 75 computer-related books, particularly on the Apple Macintosh, iPhone, and iPad for the book series "...For Dummies". He has been a columnist for the Houston Chronicle since 1996 and a columnist for The Mac Observer since 2001. His latest project is Working Smarter for Mac Users, a blog and ebook about personal productivity.