What Is Rock and Roll?

Jim O’Connor is a children’s author. His books include Jackie Robinson and the Story of All-Black Baseball, Let’s Hear it for the Shrumps!, The Puck Stops Here!, The Ghost in Tent 19, Call Me Gretzky, and many books in the popular Who Was? series.

Who HQ is your headquarters for history. The Who HQ team is always working to provide simple and clear answers to some of our biggest questions. From Who Was George Washington? to Who Is Michelle Obama?, and What Was the Battle of Gettysburg? to Where Is the Great Barrier Reef?, we strive to give you all the facts. Visit us at WhoHQ.com