 His biographer John Peart-Binns suggests that Henson may nonetheless have remained something of an outsider, his arrival at All Souls "akin to that of an alien".The college was headed by the Warden, Sir William Anson, who became something of a father figure to Henson, and encouraged his researches.Henson's first paper, on William II of England, marked him out as not only a fine scholar but a gripping speaker when he delivered it to an audience.