Solomon Kullback
1907–1994 — KL divergence and information statistics
Author
American statistician; co-author of Kullback–Leibler divergence — formal measure of distribution mismatch used for observation quality.
Solomon Kullback (1907–1994), with Richard A. Leibler, introduced Kullback–Leibler divergence (1951) — a measure of how one probability distribution diverges from another. In this corpus it formalises observation quality: calibrated instruments have low KL divergence from ground-truth distributions; biased or uncharacterised sensors have unknown divergence.
Corpus stance
Context — statistical formalism for sensor and channel quality; complements Shannon on processing limits. See What Information Theory Says.