Conversation so far:
Where was Sam Harris born?
Sam Harris was born in Los Angeles.
What did Sam Harris's parents do for a living?
Sam Harris was born the son of actor Berkeley Harris and TV producer Susan Harris.
Was Sam Harris family in any type of religion?
Sam Harris has stated that his upbringing was entirely secular and that his parents rarely discussed religion, though he was also not raised as an atheist.
Where did Sam Harris attend college?
Stanford University
What was Sam Harris major?
Sam Harris's original major was in English.
What did Sam Harris do after he left Stanford?
Sam Harris went to India and Nepal.
What was the name of Sam Harris' first book?
The End of Faith.

Question: What the topic of his thesis ?
Self-contained rewrite: What the topic of Sam Harris' thesis in his first book The end of faith?