Harrison Hagan "Jack" Schmitt is an American geologist, former NASA astronaut, university professor, and former U.S. senator from New Mexico. He is the most recent living person—and only person without a background in military aviation—to have walked on the Moon.
![“[T]he great champion of the opponents of liberty, namely communism, had to find some other place to go and they basically went into the environmental movement.” quote by Harrison Schmitt](https://sms4smile.com/q/img-quotes/3de/harrison-schmitt-48389_champion_t-he-great-champion-of-the-opponents-of_1445657.png)
![“I don't think the human effect [of climate change] is significant compared to the natural effect.” quote by Harrison Schmitt](https://sms4smile.com/q/img-quotes/ff2/harrison-schmitt-48389_change_i-don-t-think-the-human-effect-of-climat_1969803.png)
