Matthew Raiford, a sixth generation farmer, tells the story of his family's farm here:
The spirit of their Nana seems baked, if you will, into the soil. Raiford tells a wonderful story on NPR of how she coached him through making her mini sweet potato pies (see "Recipe Exchange and Tips" in our social forum). It's an experience that required a level of skill that set this good-humored James Beard semi-finalist straight, as this 5-minute listen will reveal:
https://www.npr.org/2013/11/21/246558409/a-chef-learns-to-make-his-nanas-petite-sweet-potato-pies