On the 80th Anniversary of his first appearance in TinTin, this book provides an in-depth look at the inventions and discoveries of Professor Calculus and the real-life innovations that inspired one of Herge's most popular characters.

A comprehensive, funny tribute to Professor Calculus, one of the most endearing scientific geniuses in children's literature.

Learn all about the absent-minded professor who first appeared 80 years ago in Herge's 12th Tintin book, Red Rackham's Treasure in 1943. Professor Calculus is universally loved by Tintin fans across the globe.