Celebrating the 80th Anniversary of his first appearance in the TinTin classic Red Rackham's Treasure, this book provides an in-depth look at the inventions and discoveries of Professor Calculus and the real-life innovations and people that inspired one of Hergé'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 Hergé's 12th Tintin book, Red Rackham's Treasure in 1943. Professor Calculus is universally loved by Tintin fans across the globe. The Adventures of Tintin continue to charm since they first found their way into publication, and more than 230 million copies have been sold, proving that comic books have the same power to entertain children and adults in the 21st century as they did in the early 20th. Hergé (Georges Remi) was born in Brussels in 1907. Over the course of 54 years he completed over 20 titles in The Adventures of Tintin series, which is now considered to be one of the greatest, if not the greatest, comics series of all time. Have you collected all the graphic novel adventures? Tintin in the Land of the Soviets Tintin in America Tintin: Cigars of the Pharaoh Tintin: The Blue Lotus Tintin: The Broken Ear Tintin: The Black Island Tintin: King Ottakar's Sceptre Tintin: The Crab with the Golden Claws Tintin: The Shooting Star Tintin: The Secret of the Unicorn Tintin: Red Rackham's Treasure Tintin: The Seven Crystal Balls Tintin: Prisoners of the Sun Tintin: Land of Black Gold Tintin: Destination Moon Tintin: Explorers of the Moon Tintin: The Calculus Affair Tintin: The Red Sea Sharks Tintin in Tibet Tintin: The Castafiore Emerald Tintin: Flight 714 to Sydney The Adventures of Tintin and the Picaros Tintin and Alph-Art