This collection starts in his early(ish) life as an author, the first story being published in 1939 and spanning some work through the 1970s. I hadn’t read any of these before. In particular, in the early works, it was notable that the only female characters were wives, whereas in some of his later novels characters like Susan Calvin were instrumental. That said his creativity, clever but simple wit, and mastery of the human condition shines through. True “before it’s time” classic science fiction.