Rick sat facing Professor Faulkner in his study. He had just finished recounting their latest adventure complete with an account of their brief sally into the eighteenth century, including the encounter with the hymn-singing Quaker, Thomas Petrie. “Well, it’s all quite remarkable,” the physicist mused, “and this latest episode only makes the matter murkier. I can’t offer you any theories that approach solid incontrovertible proof, which, of course, is what you are so desperate for.” Robin Faulkner gazed over Rick’s shoulder, a faraway look in his eye, “There’ll come a time when we learn how to open these portals and it will be the greatest discovery mankind has ever made. Just think, whenever we have a problem, we could slip through to the future, grasp the solution and return to deal wi