Ziegler vs Karl Ziegler

Ziegler and Karl Ziegler both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ziegler	Yes	No	No	No
Karl Ziegler	Yes	No	No	No

As nouns, Ziegler and Karl Ziegler are synonyms defined as:

Ziegler and Karl Ziegler: German chemist honored for his research on polymers (1898-1973)

Other synonyms of Ziegler include Karl Waldemar Ziegler.

Ziegler (noun)	Karl Ziegler (noun)
German chemist honored for his research on polymers (1898-1973)	German chemist honored for his research on polymers (1898-1973)