On Orbit. Only Human to Both Venture into Space and Climb Mt. Everest Will Speak at AIAA Space 2009 Conference's "Education Alley".[1]Archived September 12, 2009, at the Wayback Machine
popsci.com
"Best Astronaut Selfies". Popular Science Magazine. Archived from the original on November 2, 2013. Retrieved December 27, 2013.
On Orbit. Only Human to Both Venture into Space and Climb Mt. Everest Will Speak at AIAA Space 2009 Conference's "Education Alley".[1]Archived September 12, 2009, at the Wayback Machine