 Through "Scientific American" magazine and his own organization the Universal Council for Psychic Research he also made an offer to any medium who could produce by psychic or supernatural means any physical phenomena that he could not duplicate or explain by natural means.No medium ever won the reward.According to Dunninger "through all these long years, I have sought good honest ghosts, phantoms, spirits, astral beings, banshees, fays, wee folk, apparitions, fetches—the whole pack and passel of the unsubstantial world—and I have always been able to prove them frauds."