Douglas Blair Peterson is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 yacht

Yacht

A yacht is a recreational boat or ship. The term originated from the Dutch Jacht meaning "hunt". It was originally defined as a light fast sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and into the shallow waters of the Low Countries...

 designer. Beginning with the One Tonner

One Ton Cup

The One Ton Cup is a sailing trophy open to yachts that displace approximately one ton . It has been raced since 1899 and was awarded by Cercle de la Voile de Paris.From 1999 the Cup will be given to the Corel 45 Class World Championship....

 Ganbare in 1973, Peterson's designs have pioneered many innovations in racing and cruising yachts.

In the mid-1970s, Peterson's designs dominated offshore racing events, with a string of winning high-profile IOR

International Offshore Rule

The International Offshore Rule was a measurement rule for racing sailboats. The IOR evolved from the Cruising Club of America rule for racer/cruisers and the Royal Ocean Racing Club rule.-Rule context - past and present rating systems:...

 boats such as Ganbare, Gumboots, Kindred Spirit, Vendetta, Racy, Great Pumpkin, Petrified, High Noon, Anabelle Lee, High Roler, 'Country Girl' ( Half Ton ) Louisiana Crude, Stinger, Checkmate, Eclipse, Yena, Rubin, Ragamuffin', and Moonshine.