Claim: Dirt was created by a person.

Matthew McNair Carnahan -LRB- born February 6 , 1961 -RRB- is an American producer , writer and director .   Carnahan studied at New York University , as well as the Neighborhood Playhouse School of the Theatre .   He has a daughter with longtime partner Helen Hunt , Måkena Lei Gordon Carnahan -LRB- born 2004 -RRB- . He also has a son , Emmett .