Mont Blanc massif led to calls to limit access to the most popular summits and for the mountains to be treated with greater respect. The Mont Blanc massif has provided numerous opportunities for academic research, dating back to the very first ascent of Mont Blanc in 1786 during which Michel Paccard carried scientific equipment to confirm it as the highest summit. In 1820, an ill-fated expedition led by Dr Hamel included pigeons intended for release at varying altitudes to measure the impact of reduced air density on their ability to fly. In 1890, Joseph Vallot built a small meteorological observatory at approximately between
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