Kerr, William John

1889-1965. At the University of California at San Francisco School of Medicine. Mentioned in the 1952-12-01-01 Minutes of the Pima County Medical Society, 1904-1954. First name mentioned in the 1953-01-08-01 minutes. (“Jr.” per some PubMed citations.)
http://history.library.ucsf.edu/kerr.html

JAMA, Sep 1965; 193: 1076: Kerr, William John; Blue Lake, Calif; born in Blencoe, Iowa, April 30, 1889; Harvard, 1915; certified by the American Board of Internal Medicine; emeritus professor of medicine and chairman of the department of medicine, University of California School of Medicine at San Francisco; served as president, regent, and master of the American College of Physicians; past president of the American Heart Association, American Rheumatism Association, and the California Academy of Medicine; formerly secretary, and chairman of the Section of Practice of Medicine of the American Medical Association; for many years chief physician of medical service, University of California Hospital in San Francisco; veteran of World War I; wrote the preface in the seventh edition, 1953, of The Gold-Headed Cane; died in St. Joseph Hospital in Eureka June 10, aged 76, of myocardial infarction due to coronary occlusion.