 Alternately possible, the name change could have been a deliberate alteration by the author, though in that case the reason for it is unexplained.Only one further Pyne story, "The Regatta Mystery," follows these in the Christie canon, and as it does not touch on the topic of the detective's first name, it sheds no additional light on what the author's intention might have been on the matter.Parker Pyne is a retired government employee turned philanthropist who considers himself to be a "detective of the heart".