Lillian Hellman vs Hellman

Lillian Hellman and Hellman both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lillian Hellman	Yes	No	No	No
Hellman	Yes	No	No	No

As nouns, Lillian Hellman and Hellman are synonyms defined as:

Lillian Hellman and Hellman: United States playwright; her plays were often indictments of injustice (1905-1984)

Lillian Hellman (noun)	Hellman (noun)
United States playwright; her plays were often indictments of injustice (1905-1984)	United States playwright; her plays were often indictments of injustice (1905-1984)