The highway patrol investigated a fatal crash in Williams County Monday evening.  At 6:32pm last night, 27 year old Robert Gray of Pioneer was operating his motorcycle at the intersection of roads I and 10 in SuperiorTownship.  Gray failed to stop at the posted sign, and his motorcycle was struck by a minivan driven by 34 year old Misty Rice of Edon.  Robert Gray sustained critical injuries; and was pronounced dead at the scene.   Misty Rice also suffered injuries, along with two passengers:  5 year old Rebecca Waters of Edon, and 7 year old Cloye Wonsey of Camden, Michigan.   All three victims from that vehicle were transported to the BryanCommunityHospital; and were listed in stable condition.  Troopers report Robert Gray was wearing a helmet.