Career
He had previously competed for the United Kingdom in the 1948 Olympics finishing in 4th place in the Star class together with Sloane Elmo Farrington. Knowles was knighted in 1996. In 1997, he was awarded The Bahamas".
In 2014, the second Legend-class patrol boat of the Royal Bahamas Defence Force was commissioned as HMBS Durward Knowles.
He is the stepbrother of Percy Knowles.
