About Anton Geesink
Antonius Johannes Geesink was a Dutch 10th dan judoka. He was the first non-Japanese judoka to win gold at the World Judo Championships, a feat he accomplished in 1961 and 1965. He was also an Olympic Champion, having won gold at the 1964 Summer Olympics in Japan, and won a record 21 European Judo Championships during his career. At the 1961 World Championships, Geesink, then 5th dan, became World Champion in the open class, defeating the Japanese champion Koji Sone.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.