Sir Hiram Stevens Maxim was an inventor and entrepreneur who is best known for creating the first fully automatic machine gun. However, there are several alternative names that can be used to refer to him. One option is to use his full name, including his middle initial. He can also be referred to simply as Hiram Maxim. Additionally, some people may refer to him as the creator of the Maxim machine gun, which is a more general term. Regardless of the terminology used to refer to him, there is no doubt that Sir Hiram Stevens Maxim played a significant role in the development of firearms technology.