San Francisco County Biographies JOHN D. POWELL, D. D. S. Transcribed by Donna L. Becker This file is part of the California Genealogy & History Archives http://www.rootsweb.ancestry.com/~cagha/index.htm John D. Powell, D. D. S., who occupied rooms 43-44-46, Academy of Sciences building, was born in Healdsburg, Sonoma county, California, in 1862. He received his early education in the public schools of Healdsburg, and later attended for three years the Santa Clara College, and for two years the Lytton Springs College. In 1883 he commenced the study of dentistry, under the preceptorship of Dr. E. W. Biddle, a dentist of Healdsburg, with whom he remained two years. He then went East and entered the Philadelphia Dental College, where he graduated in 1885. He at once entered into the practice of his profession in Philadelphia, where he remained several years. In 1889 he returned to San Francisco, and has since that time been engaged in his profession. Source: "The Bay of San Francisco," Vol. 2, page 86, Lewis Publishing Co, 1892.