Mark the Mountain Guide author, Mark Seaton, is a British mountain guide who lives with his wife and children in the Chamonix valley. He guides climbers and skiers in the French, Swiss and Italian Alps. Seaton's accomplishments as a professional mountain guide include the first complete unassisted British guided ascent of the Eiger Nordwand with his client Charles Sherwood in 2007. In 2008, Seaton & Sherwood teamed up again to complete a traverse of Mont Blanc via an ascent of Aiguille Blanche de Peuterey, the most difficult 4000-m summit in the Alps. In 1996, Mark led Don Planner, the first blind man to climb
The Night Climbers of Cambridge described "The Night Climbers of Cambridge" as a modern day Marauder's Map of Harry Potter fame. In 2014, a team of Cambridge engineers designed an online app called the "Cambridge Marauders Map", which allowed friends to view their movements within the colleges of Cambridge and identify potential hazards. The Marauders Map app included many climbing and urban exploring features taken from "The Night Climbers of Cambridge". The app is no longer publicly available. Symington stood for Harborough in 1950 as an independent Mosleyite candidate, receiving 273 votes. In 1958 he published the book "Return to Responsibility: A New Concept of