Palamedes placed this figure's son in front of his path when this figure pretended to be insane in using a plough.   
Palamedes placed this figure's son in front of his path when this figure pretended to be insane in using a plough.   This figure was slain by Telegonus, who did not recognize this figure as his father.  Eurycleia recognized this figure after seeing on this figure a (*) scar from a boar hunt.  This man was stranded on Calypso's island for seven years, and he came up with the idea of the Trojan Horse.  This father of Telemachus slew his wife's suitors after returning to his homeland for the first time in ten years.  For 10 points, name this husband of Penelope and king of Ithaca.
Palamedes placed this figure's son in front of his path when this figure pretended to be insane in using a plough.   
{Odysseus}