Conjuring Credits

The Origins of Wonder

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Secret Subtraction

The wrap-around action, later applied to the Secret Subtraction technique by Derek Dingle, was first published, without the Secret Subtraction dynamic, by Gene Neilsen in an article titled “P. S.!”, in Talisman, Vol. 1 No. 10, May 8, 1970, p. 37. This was around the time J. K. Hartman was working out Secret Subtraction (see his manuscript of that name, 1970). Drawing the card off the packet and onto the deck, then flipping it over there and picking it up under the packet is a handling developed by Harvey Rosenthal, which appears in Karl Fulves's Packet Switches, Part Three, 1977, p. 140.