Alan Arnette is a renowned mountaineer and Alzheimer's advocate. He is well-known in the mountaineering community for his extensive climbing experience and his blog at alanarnette.com, which chronicles his expeditions and provides insights into mountaineering. He summited Mount Everest in 2011, Mount Manaslu in 2013, and K2 in 2014 at 58, making him the 18th and oldest American to summit the second-highest peak in the world. https://www.alanarnette.com