To Matthew Adams, Ansel Adams was simply his grandpa.
Growing up in Fresno, California, Matthew would spend time with him during short summer vacations in Yosemite National Park, where his grandfather taught photography workshops.

https://www.cnn.com/travel/article/ansel-adams-yosemite-new-book-california/index.html?fbclid=IwAR3xtsecwvGFnw3uKqhdQWi-GdMuclHrienRC307PzzNAp3Q4TDI-EHVtXs