Susan Calvin was certainly an interesting character, now that you mention it. And so were both the partners in the Caves of Steel books. And when I mentioned Sa

Susan Calvin was certainly an interesting character, now that you mention it. And so were both the partners in the Caves of Steel books. And when I mentioned Salvor Hardin before, I could have mentioned Salvor Hardin as well. I.e., I agree with you, both on the vividness of the characters and the restrictions on characterization imposed by the short story format.