His story is a staple in psychology classes, but his identity wasn’t known for years: Henry Molaison, the man who lost his ability to form new memories after a lobotomy. In “Patient H.M.: A Story of Memory, Madness, and Family Secrets,” Luke Dittrich paints a picture of the life of the scientific legend. Dittrich discusses his book and personal connection to Molaison in a conversation with Jeffrey Brown.