Have we laid to rest the concept of "the self-made man?"
Because there are not only educational and social supports to get people along in life, there are basic biological forces that make each of us our distinct selves.
Bill Sullivan, a molecular biologist, goes way into science of it all in his book Pleased To Meet Me: Genes, Germs, and the Curious Forces That Make Us Who We Are.
Get a load of that subtitle: not only do you get important features and traits from your parents, but the microbes that live in your guts have a strong influence, too.
We listen anew to this interview with the author, from 2019.