Catherine Ingram (Ph.D., Oxford) is a writer and art historian, who has lectured for the Tate, Christie's, Imperial College London, and Magdalen College, Oxford.

She conceived of and edited the illustrated art history series, This is, published by Laurence King Publishing, also writing four of the titles. The series won the Brand/Series Identity Award at the British Book Design and Production Awards in 2015 and several titles were nominated for the V&A Illustration Awards. This is Dalí, This is Pollock and This is Warhol also featured in The Guardian's best graphic books of 2014.

Celyn Brazier is an animation director & art director for Bernstein & Andriulli and Nexus Studios, as well an editorial illustrator, working with national newspaper publications in the UK and abroad. His clients have included Financial Times, Fortune, The Guardian, The New Yorker, The New York Times and Washington Post, as well as Bartle Bogle and Hegarty, British Airways, Dow Jones, Honda, Kew Gardens, Le Monde, London Wildlife Trust, McCann, MIT, Mother, Oglivy & Mather, Saatchi & Saatchi, Toyota, World Wildlife Fund and Waitrose.