National Book Award winning author E.L. Doctorow discussed how he came up with the idea for his most recent novel, “Andrew’s Brain,” on Feb.25 as part of Queens College’s Evening Readings. “I knew a man years ago who had the troubles Andrew had. He was a good man, but had a history of disaster. I never forgot that; that a person could be good and kind and be responsible for disaster that happened to people around them,” E.L. Doctorow said. Andrew, who is a cognitive scientist, is the main character of the book. “He is very smart and very funny. He has a lot on his mind and he’s self-critical.…