He was considered the daddy of eskimology, while he was the initial person to visit completely through the Northwest Passing. He lay out the Danish Literary Expedition to Greenland to review the indigenous Inuit tradition. He founded a trading post in the north wilderness of Greenland that could become the foundation for seven long term Thule Expeditions. His dad was a missionary, and his mom was half-Inuit. Robert E. Peary explored the North Pole aswell.