Rob Eastaway is best known as the author of several bestselling popular maths books, including Why Do Buses Come in Threes? and Maths On the Back of an Envelope.
Rob has given hundreds of maths talks across the world to audiences of all ages, including several family lectures at the Royal Institution. He is the puzzle adviser for New Scientist magazine, and puzzles and games are at the centre of many of his maths talks and workshops.
He is a regular guest on the BBC Radio 4 programme More or Less, with Tim Harford.