What do u specifically mean by the question???
The correct answer is "John Steinbeck"
He was a famous American novelist, born in California, who depicted lives of regular Californian people, including folklore and symbolism, and other aspects of various traditions. He won the Nobel prize for his novel East of Eden.
The word 'unfathomable' means not able to be understood.
to 'fathom' is to think or ponder on something so as to understand it.