<human>:  Do many fans of J.K Rowling know who Alan Rickman is?
<bot>: Yes, many fans of J.K Rowling know who Alan Rickman is. J.K Rowling wrote the Harry Potter series. Alan Rickman performed the role of Severus Snape throughout all 8 Harry Potter films. So many fans of J.K Rowling know who Alan Rickman is.