Alex Baldwin is a pseudonym of William Edmund Butterworth III, better known by another of his pen name W. E. B. Griffin.
He is an American writer of military and detective fiction with 38 novels in six series published under that name. He has also published under 11 other pseudonyms and three versions of his real name (W. E. Butterworth, William E. Butterworth, and most recently William E. Butterworth III). - Wikipedia