Dennett, John, Jr.

Middle initial “B.”[?]
Earlier at Congress Mine and Silverbell Mine; dropped practice of medicine and entered business ventures.
See Dennett, John, Jr. MD.doc.
In the Minutes of the Pima County Medical Society, 1904-1954 as “John Dennett” and “John Dunnett.”
Members of the PCMS 1904-1930
See History of Arizona medicine; collections of Orville Harry Brown, M.D. [AHSL Special Collections WZ 70 AA7 H673].
Quebbeman, Frances E. Medicine in territorial Arizona. Phoenix : Arizona Historical Foundation, 1966, page 338: “Dennett, John B.”
See also: Portrait and biographical record of Arizona. Commemorating the achievements of citizens who have contributed to the progress of Arizona and the development of its resources. Chicago: Chapman Publishing Company, 1901, page 560: John Dennett, Jr., M.D.
See also: McClintock, James H. Arizona, Prehistoric, Aboriginal, Pioneer, Modern; the Nation's Youngest Commonwealth within a Land of Ancient Culture. Chicago: The S.J. Clarke Pub. Co., 1916 (aka Arizona, the Youngest State), volume 3 (Biographical), pages 624-625.

Info from Arizona Historical Society record (no longer findable): Dr. John Dennett was born Feb. 14, 1869 in Maine. He attended Harvard University and Harvard Medical College. After medical training he worked at Boston General Hospital until developing tuberculosis. In an attempt to regain his health he first moved to Santa Fe then arrived in Phoenix in 1895. Finding initial work as doctor at the Congress Mine he remained there until 1905 when it closed. On Aug. 20, 1902 he married Louie Gage niece of the owner of the Congress Mine. After work with the Congress Mine Dennett moved to the Silverbell Mine west of Tucson where he worked until 1910 when the family moved to Phoenix. After the move to Phoenix Dr. Dennett stopped practicing medicine and entered business ventures. He became the manager for a creamery [Hassayampa Creamery] located at 5th Ave and Jackson St. and later became involved in the manufacturing of evaporated milk. Between 1911 and 1923 both Dr. and Mrs. Dennett were active in business and social activities in Phoenix. Dr. Dennett was president of the Rotary Club, active with the Phoenix Chamber of Commerce, and local Republican Party politics. He died in San Diego, CA on Oct. 17, 1957 at the age of 88.

Transactions of the Arizona Medical Association ... June 1-2, 1905, p. 97: Members of the Arizona Medical Association -- Pima County Medical Society. … Dennett, John ... Casa Grande, Arizona [http://books.google.com/books?id=3skCAAAAYAAJ]
Transactions of the Arizona Medical Association ... May 28-29, 1907, pp. 119-120: Members of the Arizona Medical Association -- Pima County Medical Society. … Dennett, Jno. R. ... Silver Bell, Arizona [http://books.google.com/books?id=3skCAAAAYAAJ]

J Am Med Assoc, Jul 1904; XLIII: 64: Yavapai County Medical Society. -- This society was organized on the standard plan at Prescott, June 18, with 14 charter members. The following officers were elected: Dr. Thomas B. Davis, president; Dr. Will S. Smith, vice-president, and Dr. Clarence E. Yount, secretary-treasurer, all of Prescott; delegates to the Arizona Medical Association, Drs. J. W. Coleman, Jerome, and John S. Barrett, Prescott; and censors, Drs. Henry D. Thomason, U. S. Army, Whipple Barracks, James N. McCandless, Prescott, and John Dennett, Jr., Congress [i.e., Congress Mine].
J Am Med Assoc, Jul 1912; LIX: 44: Dr. Ancil J. Martin, Phoenix, has been elected president and Dr. John Dennett, Jr., Phoenix, vice-president, of the Maricopa County Board of Trade.
J Am Med Assoc, Jan 1958; 166: 69: Dennett, John Jr., Phoenix, Ariz.; Harvard Medical School, Boston, 1894; died in Coronado, Calif., Oct. 17, aged 88.