artificer vs Hero of Alexandria

artificer and Hero of Alexandria both are nouns.

Word	Noun	Adjective	Verb	Adverb
artificer	Yes	No	No	No
Hero of Alexandria	Yes	No	No	No

artificer (noun)	Hero of Alexandria (noun)
a skilled worker who practices some trade or handicraft	Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)
someone who is the first to think of or make something
an enlisted man responsible for the upkeep of small arms and machine guns etc.