In 1993 Knudsen became part of NASA's Mars team and shortly thereafter Knudsen established the Danish Mars Group together with Lise Vistisen and Morten Bo Madsen.
Dean Martin | Martin Luther | Martin Scorsese | Ricky Martin | Martin Luther King, Jr. | Lockheed Martin | Martin | Steve Martin | Martin Sheen | St. Martin's Press | Martin Heidegger | Martin Luther King | Max Martin | Aston Martin | Paul Martin | Martin Lawrence | Martin Van Buren | Martin Luther King Jr. | Glenn L. Martin Company | Martin Short | St Martin-in-the-Fields | Martin O'Neill | Martin Amis | Jens Stoltenberg | George R. R. Martin | George Martin | Martin McGuinness | Martin Freeman | Martin Buber | José de San Martín |
He started and played most of his career at Faroese club B36 and also played for Danish side Randers Freja and in Scotland for Ayr United, where he teamed up shortly alongside compatriot Jens Martin Knudsen.