A few crosswords have achieved recognition beyond the community of crossword solvers. Perhaps the most famous is the November 5, 1996 puzzle by Jeremiah Farrell, published on the day of the U.S. presidential election, which has been featured in the movie "Wordplay" and the book "The Crossword Obsession" by Coral Amende, as well as discussed by Peter Jennings on ABC News, featured on CNN, and elsewhere. The two leading candidates that year were Bill Clinton and Bob Dole; in Farrell's puzzle one of the long clue/answer combinations read "Title for 39-Across next year" = MISTER PRESIDENT. The remarkable feature of the puzzle is that 39-Across could be answered either CLINTON or BOB DOLE, and all the Down clues and answers that crossed it would work either way (e.g., "Black Halloween animal" could be either BAT or CAT depending on which answer you filled in at 39-Across; similarly "French 101 word" could equal LUI or OUI, etc.). Constructors have dubbed this type of puzzle a Schrödinger or quantum puzzle after the famous paradox of Schrödinger's cat, which was both alive and dead at the same time. Since Farrell's invention of it, nine other constructors—Patrick Merrell, Ethan Friedman, David J. Kahn, Damon J. Gulczynski, Dan Schoenholz, Andrew Reynolds, Kacey Walker and David Quarfoot (in collaboration), and Ben Tausig have made use of a similar trick.