Background
Olsen was born in 1919 in Præstø, Denmark.
Olsen was born in 1919 in Præstø, Denmark.
In the early 1950s, he joined the Danish company, A. P. Botved, who were producing speedboats, and worked there until he started his own business in Bandholm in 1961. He designed and built a number of boats including the Bandholm 26, the Bianca 27 and the Great Dane 28, which were the first Danish boats to be built using fibreglass hulls, the Bandholm 20, Bandholm 30, the Mariboat and the Bandholm 24. In 1956, Danish architect, Axel Damgaard Olsen, asked Olsen to create a design for a light, fast, single-handed sailing dinghy that could be built and sailed by amateurs.
The outcome was the 4.5-metre (15 ft) Oklahoma dinghy, which went on to be a classic design, became an ISAF International Class in 1974 and is still used in international competition.
The 50th anniversary of the design of the Oklahoma dinghy was marked by the largest ever Oklahoma Dinghy World Championships held at Łeba on the Polish coast in July 2007. Knud Olsen died aged 90 on 31 August 2010 in his hometown Bandholm.