How did America get hooked on skiing? In 1939, Hannes Schneider moved from Austria to North Conway, New Hampshire, to teach skiing. But before the sport really took off, World War II broke out. After the war, a gritty band of soldiers who fought in the US Army's 10th Mountain Division, returned home into the mountains they loved.

Last week, Christian Beckwith, an alpinist and climbing historian, introduced us to the 10th Mountain Division and how it was jump-started by climbers who had honed their skills in the craggy mountains of Grand Teton National Park.

Beckwith, who rolls out this history in his podcast "Ninety-Pound Rucksack", is back with us today to explain how those soldiers kick-started the ski industry in America, started organizations such as the National Outdoor Leadership School, and played a role in fields of avalanche science and wilderness rescue.