Harold Jeffreys with substitute image

    Caption: Harold Jeffreys was one of the leading developers of Bayesian analysis---no relation though he manages to look a lot like the father of yours truly anyway.

    See also Harold Jeffreys: Old/Young.

    Bayesian analysis started with the discoverer and eponym of Bayes' theorem.

    Pierre-Simon Laplace (1749--1827) and Harold Jeffreys (1891--1989) greatly extended it. Harold Jeffreys is one of the "cousins":

    Credit/Permission:     Anonymous photographer, circa late 20th century / No permission.
    Image link: MacTutor History of Mathematics archive: Harold Jeffreys.
    Local file: local link: harold_jeffreys.html.
    File: Art file: harold_jeffreys.html.