Robert A. Heinlein (1907–1988), often called the Science Fiction Grand Master, was the author of such groundbreaking novels as Starship Troopers, Red Planet, Stranger in a Strange Land, and The Moon Is a Harsh Mistress. He is generally considered the greatest and most influential science fiction writer of the twentieth century. In addition to being a bestselling author, Heinlein’s novels won four Hugo awards, three “retro Hugo” awards, and the first “Grand Master Award” from the Science Fiction Writers of America.