Working exclusively on location, his method is always a direct response to his subject matter, sometimes using materials found on site such as leaves, grasses and twigs to apply or manipulate the paint and create the richly textured surfaces that characterize his work. Rob has a special interest in the 1914-18 Western Front and is well known for his work at various sites from both World Wars, including The Somme (where he has been made an Honorary Citizen of the town of Albert, epicentre of the Battle of the Somme), Ypres, Verdun, Oradour-sur-Glane, Auschwitz and Normandy.