Walter Joseph Hickel was an American businessman, real estate developer, and politician who served as the second governor of Alaska from 1966 to 1969 and 1990 to 1994, as well as U.S. Secretary of the Interior from 1969 to 1970. He worked as a construction worker and eventually became a construction company operator during Alaska's territorial days. Following World War II, Hickel became heavily involved with real estate development, building residential subdivisions, shopping centers and hotels. Hickel entered politics in the 1950s during Alaska's battle for statehood and remained politically active for the rest of his life.

The United States secretary of the interior is the head of the United States Department of the Interior. The secretary and the Department of the Interior are responsible for the management and conservation of most federal land along with natural resources, leading such agencies as the Bureau of Land Management, the United States Geological Survey, Bureau of Indian Affairs and the National Park Service. The secretary also serves on and appoints the private citizens on the National Park Foundation Board. The secretary is a member of the United States Cabinet and reports to the president of the United States. The function of the U.S. Department of the Interior is different from that of the interior minister designated in many other countries.