Yes, Stephen King has developed quite a following for his books, some of which have been made into films. His readers enjoy his works and collect his writings. Judging by the number of book copies he's sold alone, he is a great author. Even people who've never read his books have heard of him.
Stephen King has written over 50 different novels in the horror, thriller, and science fiction genres. His books have entertained readers for nearly 50 years. King has also won several different awards for his writing. Overall, King is one of the greatest authors of his generation and of all time. His works are timeless and will continue to be enjoyed by readers for years to come.
The works of Mr. King are clearly not for all readers, and some of his work can feel a touch repetitive, but that does nothing to detract from the caliber and volume of works he has produced. His writings have created an entirely new genre of horror adventure writing that magnificently blends the supernatural with the mundane reality so many face.
Yes, Stephen King is one of the greatest authors of all time. Everyone has heard of Stephen King, even those people who do not regularly read books. Many people have seen movies that were made out of Stephen King books. Furthermore, he has been on the best seller list a number of times.