Héctor Germán Oesterheld
Héctor Germán Oesterheld ( OST-ər-held; Spanish: [ˈeɣtoɾ xeɾˈman oˈesteɾxel]; born 23 July 1919; disappeared and presumed dead 1977), also known by the common abbreviation HGO, was an Argentine journalist, comics editor and writer of graphic novels and comics. He is widely celebrated as a master in his field and as one of the pioneering artists in modern Argentine comics.