20 years ago, he played his first professional match. Roger Federer has now won his 20th Grand Slam title. A data analysis of all the matches he has played reveals how he became the best tennis...

An attempt to visually represent the careers of — almost — all the football players in the last century. "Legends, One-club men and Journeymen" is a visual essay that is both a guided tour...

This project is an exploration of how much swimming has improved since the beginning of the 20th Century. It includes three different visualizations: the first one focuses in the average speeds of...