John Steinbeck/ Chase Horton (EDT)/ Christopher Paolini (FRW)
(2)
Peter Kraftl (EDT)/ John Horton (EDT)/ Faith Tucker (EDT)
(2)
Elwyn R. Berlekamp (EDT)/ John Horton Conway/ Richard K. Guy/ Elwyn R. Berlekamp/ John Horton Conway (EDT)/ Richard K. Guy (EDT)
(1)
Elwyn R. Berlekamp/ John Horton Conway (EDT)/ Richard K. Guy (EDT)/ Elwyn R. Berlekamp (EDT)/ John Horton Conway/ Richard K. Guy
(1)
Horton Davies/ Helen Davies (EDT)/ John E. Booty (EDT)
(1)
John Horton (EDT)/ Bethan Evans (EDT)/ Tracey Skelton (EDT)
(1)
John Horton (EDT)/ Glen Newey (EDT)
(1)
John Horton (EDT)/ Manon Westphal (EDT)/ Ulrich Willems (EDT)
(1)
John Horton (EDT)/ Michelle Pyer (EDT)
(1)