 He also expressed the importance of her Vietnamese heritage to Chau's story as well as ties to the original limited series.To prepare for the part, Chau reviewed the behaviors of real-life billionaires like Elon Musk, Mark Zuckerberg and Richard Branson, as well as Japanese scientists that were on the leading edge of cloning and genetics research.The episode's title is taken from a passage in Chinua Achebe's "Things Fall Apart", the book Cal was reading when Angela tries to pick a fight.