Image: "Paul Hignett kicks up the spray on the abandoned last day of the 2013 Europa Cup at Loch Lomond.. Photo: © Loch Lomond SC"

Image: "Hugh deLong (GBR275) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: "Blue Horizon Behind Blue Horizon John Ellis (GBR318) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: "Dave Timson (GBR303) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: "Steve Bowen (GBR310) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: Peter Ullman and Dave Clark fighting hard for a place at the 2014 Worlds in San Francisco. Photo © Robert Muller

Image: "Marei Charlotte Junge (GER60) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: Peter Ullman at the Leeward Mark at the 2014 Worlds, San Francisco. Photo © Robert Muller

Image: Steve (USA) Clark. The man whose vision led to the exciting collection of new designs at the 2014 Worlds. Photo © Robert Muller

Image: Mikey Radziejowski at the 2014 Worlds, San Francisco. Photo © Robert Muller

Image: "Uphill Challenge: Peter Ullmann (GER79) leads a bunch of others at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: "Todd Twigg (USA248) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: David Clark at the 2014 Worlds, San Francisco. Photo © Robert Muller

Image: Chris Hampe mid gybe at the 2014 Worlds, San Francisco. Photo © Robert Muller

Image: "Alistair Warren (GBR317) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: "Ready About! (Tacking for the Windward Mark) Chris Maas (USA246) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: start sequence race 3 at the 2014 Worlds, San Francisco. Photo © Robert Muller

Image: Local hero Del Olsen (USA 253) in front of the skyline of San Francisco at the 2014 World. Photo © Robert Muller (slightly edited)