Alex Bellos writes about math, science, and soccer. He is the author of Futebol:the Brazilian Way of Life in addition to being the ghostwriter of a best-selling autobiography about soccer superstar Pelé. Alex Bellos lives in London.

Ben Lyttleton is a journalist, newscaster,and soccer consultant. He is the author of Twelve Yards: The Art and Psychology of the Perfect Penalty Kick. He lives in London.

Spike Gerrell is an illustrator and cartoonist whose work has been published in the Guardian, New Scientist, and the Independent. He lives in London.