Who is Kittredge from Harlot's Ghost and what is their importance?

Kittredge, Harry's wife, is a Radcliffe-educated member of the CIA. Her main work for the CIA consists of completing research on Alpha and Omega, two parts of the human character that she has identified. Kittredge's research breaks down what she sees as the barriers between the two. She is described as sensitive and brooding, and is said to resemble Jacqueline Kennedy. In the end, she leaves Harry for Dix.