Theodore Gray Co-founded Wolfram Research in 1987. Inventor and lead developer of the Notebook interface for Wolfram Language. NYT Best-selling author of The Elements (2009), Molecules (2014), Reactions (2017), How Things Work (2019), Engines (2022), and Tools (2023). Translated into 25+ languages. Founder and Creative Director of Touch Press, publisher of 20+ highly acclaimed iPad apps, including a BAFTA award and iPad App of the Year for Disney Animated (as Writer and Director), plus numerous iPad App of the Week awards.