Mathew Brady vs Mathew B. Brady

Mathew Brady and Mathew B. Brady both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mathew Brady	Yes	No	No	No
Mathew B. Brady	Yes	No	No	No

As nouns, Mathew Brady and Mathew B. Brady are synonyms defined as:

Mathew Brady and Mathew B. Brady: United States pioneer photographer famous for his portraits; was the official Union photographer for the American Civil War (1823-1896)

Other synonyms of Mathew Brady include Brady.

Mathew Brady (noun)	Mathew B. Brady (noun)
United States pioneer photographer famous for his portraits; was the official Union photographer for the American Civil War (1823-1896)	United States pioneer photographer famous for his portraits; was the official Union photographer for the American Civil War (1823-1896)