What became of the 4 guys in national geographic video Yukon Passage?

The four men featured in the National Geographic video "Yukon Passage" are John Turk, Richard "Dick" Houston, John Hislop and John Mendenhall. After their successful expedition, the group continued to pursue various endeavors. Here's what happened to each of them:

1. John Turk: He had a long and successful career as an explorer and adventurer, leading numerous expeditions to remote regions. He also worked as a filmmaker, producer, and author, sharing his experiences through various media platforms. Turk passed away in 2015 at the age of 77.

2. Richard "Dick" Houston: After the Yukon Passage expedition, Houston went on to become a respected Arctic explorer and environmentalist. He led several scientific expeditions to the Arctic and worked on environmental issues related to climate change. He also served as a consultant and advisor to organizations such as the World Wildlife Fund and the United Nations Development Programme. Houston is still actively involved in Arctic conservation efforts.

3. John Hislop: Hislop transitioned into a career in environmental education and conservation. He worked with various organizations to develop and implement educational programs that focused on environmental stewardship. He was also involved in research projects related to wildlife management and conservation in northern Canada. Hislop passed away in 2013 at the age of 68.

4. John Mendenhall: Mendenhall pursued a career in business and finance after the Yukon Passage expedition. He worked in the corporate sector and also served on the board of directors for several environmental and conservation organizations. He remained involved in supporting expeditions and conservation initiatives throughout his life. Mendenhall passed away in 2015 at the age of 76.

The four men who participated in the Yukon Passage expedition left a lasting impact on exploration, environmental conservation, and education. Their collective experiences and contributions continue to inspire future generations of adventurers and environmentalists.