Samuel Johnston (Author) Samuel Johnston has a first from Cambridge in Sociology and Politics and a Master's degree from Oxford in Social Science of the Internet. He worked at Big Data mobile network startup OpenSignal and tutored sociology and economics privately. Together with Mark Wainwright, he developed Word Salad. Mark Wainwright (Author) Mark Wainwright studied Maths and Computer Science at Imperial College, going on to work at music metadata company Decibel and Reductech. He developed the algorithm that enabled the creation of Word Salad puzzles, creating the core mechanics and turning mathematical problems into games.