Image: Todd Twigg, Simon Allen 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: "Colin Brown (GBR341) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: "International Indeed, Close Action.. Alistair Warren (GBR317), Chris Maas (USA246) and Peter Ullmann (GER79) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: "Robin Wood (GBR329) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: "Chris Hampe at the 2013 Europa cup. Photo: © Loch Lomond SC"

Image: "Steve Fleming (GBR158) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

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

Image: "Now which bit of boat is where in that photo? Paul Hignett considers plumbing the depths of Loch Lomond with racing blown off at the 2013 Europa Cup.. Photo: © Loch Lomond SC"

Image: Chris Hampe and Phil Robin at the 2014 Worlds © David Thompson

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

Image: "Alasdair Alston (GBR196) at the 2017 Worlds, Pwlhelli. Photo: © Robert Muller"

Image: "Windward Mark Action Colin Brown (GBR319) Peter Ullmann (GER79) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: "Mark Rounding In Lighter Conditions: Peter Ullmann (GER79) and Chris Maas (USA246) at the 2011 worlds, Travemunde, Germany. Photo: © Robert Muller"

Image: Mark Goodchild (GBR 265) - This is how it works. 2014 Worlds, San Francisco. Photo © Robert Muller

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

Image: GBR308 at the 2011 Worlds © Robert Muller ex German web site

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