Hans Gustav Adolf Gross (December 12, 1847, Graz - December 9, 1915, Graz) was an Austrian criminal jurist and an examining magistrate. He is believed to be the creator of the field of criminalistics and is to this day seen as the father of Criminal Investigation; he taught as a professor at the Chernivtsi University, Prague University and the University of Graz. He was also the father of the Austrian psychoanalyst Otto Gross.
