Johann Coaz was a notable Swiss mountaineer and geographer, born in 1822. He is best known for his explorations in the Swiss Alps, where he contributed significantly to the understanding of the region's geography and topography. Coaz was also involved in the early development of mountaineering as a sport, promoting safe climbing practices. In addition to his climbing achievements, Coaz served as a professor of geography at the University of Zurich. His work included mapping and documenting various mountain ranges, which helped to advance the field of geography in Switzerland. Coaz passed away in 1899, leaving a lasting legacy in both mountaineering and academic circles.