Anne-Margot Ramstein was born on the island of Réunion and lived there until she made the big leap to the École des Arts Décoratifs in Strasbourg to try her luck as an illustrator. This promises the most beautiful surprises. Frédéric Morlot loved to juggle as a child, was passionately interested in magic, and dreamed of being able to play the violin one day. Through a shock treatment in the hard benches of the Polytechnic School in Paris, he eventually became a mathematician and now finds nothing more beautiful than the law of quadratic reciprocity.