http://historyreviewed.best/index.php/a-great-white-hero-passes-away-obituary-professor-roger-pearson-m-sc-econ-ph-d-london-1927-202-3/
A GREAT White Hero Passes away: Obituary – Professor Roger Pearson M.Sc. (Econ), Ph.D., (London): 1927 – 202 3