Humanoid race with a love of research. From a world on the edges of Federation space, they have chosen to remain separate from the Federation. They do maintain scientific connections to help their renowned research institutes. The Caldonians have little advancement in the social or engineering fields, but their theoretical work in subspace and quantum mechanics is almost legendary. A race of three-fingered beings over six feet tall, their enlarged cranium includes a raised bony framework shaped much like a perpendicular "theta" Greek letter.