Gianni A. Sarcone and Marie-Jo Waeber, the founders and the editors of Archimedes' Lab, are freelance writers, popularisers and illustrators.

Experts in mind games and brain training, they are particularly involved in cognitive sciences (teaching methodology, creativity and communication) and have written numerous trade books on topics ranging from optical illusions to visual and critical thinking puzzles.

Gianni Sarcone is also a leading authority on visual perception, he was one of the judges at the third "Best Visual Illusion of the Year Contest" held in Sarasota, Florida.

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