Andrew Bayes (born 1978), American football player
Gilbert Bayes (1872–1953), British sculptor
Joshua Bayes (1671–1746), English nonconformist minister and father of Thomas
Nora Bayes (1880–1928), American singer and actress
Paul Bayes (born 1953), Bishop in the Church of England
Thomas Bayes (1702–1761), British mathematician, statistician and religious leader
Walter Bayes (1869–1956), British painter
As far as I know, Bayes' theorem is ##P(A|B) = \frac{P(A) \times P(B|A)}{P(A) \times P(B|A) + P(\neg A) \times P(B|\neg A)}##.
I recall someone saying Bayes' theorem revolutionized probability. Bayes himself and Laplace are supposedly key figures in this revolution. I know how to apply the...