Samuel Pierpoint Langley vs Langley

Samuel Pierpoint Langley and Langley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Samuel Pierpoint Langley	Yes	No	No	No
Langley	Yes	No	No	No

As nouns, Samuel Pierpoint Langley and Langley are synonyms defined as:

Samuel Pierpoint Langley and Langley: United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)

Other synonyms of Samuel Pierpoint Langley include Samuel Pierpont Langley.

Samuel Pierpoint Langley (noun)	Langley (noun)
United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)	United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)