Autores

•  Martin Gardner (2)
•  Raymond Smullyan (2)
•  Marie Berrondo Agrell (2)
•  Nessa Carey (1)
•  Simon Singh (1)
•  Colin Bruce (1)
•  Amir D. Aczel (1)
•  James F. Fixx (1)
•  Vlatko Vedral (1)
•  David Deutsch (1)
•  Antonio Diéguez (1)
•  Bernardo Recamán Santos (1)