From His Dark Materials Wiki
Professor Docker is a middle-aged guest at Mrs. Coulter's Cocktail Party, a scholar who was explaining Dust to some other guests at the party. He was the one who told Lyra that the General Oblation Board and the gobblers were one.
|From the initials, d'you see? General Oblation Board..|
|Philip Pullman, The Golden Compass, (Knopf 89)|