M. P. W. Boulton

M. P. W. Boulton is a person's name. Just like how you have a name, this person has one too. This name is made up of three parts - M, P, W, and Boulton. Each part is like a special code that helps identify the person. So when someone says "M. P. W. Boulton", they are talking about this particular person.