http://people.idsia.ch/~juergen/ray.html

https://en.wikipedia.org/wiki/Ray_Solomonoff

Ray Solomonoff (1926-2009), pioneer of Machine learning, founder of Algorithmic Probability theory, father of the Universal Probability Distribution, creator of the Universal Theory of Inductive Inference. First to describe the fundamental concept of Algorithmic Information or Kolmogorov Complexity. In the new millennium his work became the foundation of the first mathematical theory of Optimal Universal Artificial Intelligence.