Caption: Portrait identified---wrongly, but traditionally---as that of Thomas Bayes (1701?--1761), discoverer and eponym of Bayes' theorem.
Pierre-Simon Laplace (1749--1827) and Harold Jeffreys (1891--1989) greatly extended Bayesian probablity theory and Bayesian inference.
Harold Jeffreys is one of the "cousins":
Credit/Permission:
anonymous
artist,
19th century
(uploaded to Wikimedia Commons
by User:Limojoe,
2011) /
Public domain.
php require("/home/jeffery/public_html/astro/art/jeffery_cousins_list.html");?>
Image link: Wikimedia Commons.
Local file: local link: thomas_bayes.html.
File: Art file:
thomas_bayes.html.