Nobody did since there is no such word!
The same way you can spaghatti.
Who is a pronoun that stands in place for a person. A person cannot be invented, so "Who" cannot be invented. A person can be inspired, but not invented. One person can help create another person's career, but not invented.
the person who invented was a person named sioeli kaufusi
Who is the person who invented the flying chair? Has the flying chair ever been invented?
Jeans Are Invented By A Person
The person who invented the graduated cylinder was Albert Einstine.
The person that invented the first mouse was named Doug Engelbart.
the person name that invented scramble game
The person who invented jelly was Izzy Short in 1923.
The person who invented linoleum in 1855 was a man named Frederick Walton. He is also the person who invented Lincrusta in 1877.
the person that invented it was flabberdaster
The person that invented contacts is himself.