Okay kiddo, so Martin Wiberg is a person. He's a grown-up and he does some really cool things with computers. You remember how we use the computer to play games and watch shows? Well, Martin uses computers to do important work, like helping scientists who study our planet. He's also really good at understanding how computer programs work, which helps him make them better. So basically, Martin Wiberg is a smart guy who uses computers to help people learn things and solve problems.