Arthur M. Schlesinger vs Arthur Meier Schlesinger Jr.

Arthur M. Schlesinger and Arthur Meier Schlesinger Jr. both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arthur M. Schlesinger	Yes	No	No	No
Arthur Meier Schlesinger Jr.	Yes	No	No	No

As nouns, Arthur M. Schlesinger and Arthur Meier Schlesinger Jr. are synonyms defined as:

Arthur M. Schlesinger and Arthur Meier Schlesinger Jr.: United States historian and advisor to President Kennedy (born in 1917)

Other synonyms of Arthur M. Schlesinger include Arthur Schlesinger, Arthur Schlesinger Jr., Schlesinger.

Arthur M. Schlesinger (noun)	Arthur Meier Schlesinger Jr. (noun)
United States historian and advisor to President Kennedy (born in 1917)	United States historian and advisor to President Kennedy (born in 1917)
United States historian (1888-1965)