Background
Mckay, Frederick Sumner was born on April 13, 1874 in Lawrence, Massachusetts, United States. Son of Edward and Harriet Marilla (Wells) Mckay.
Mckay, Frederick Sumner was born on April 13, 1874 in Lawrence, Massachusetts, United States. Son of Edward and Harriet Marilla (Wells) Mckay.
Doctor of Dental Surgery, University Pennsylvania, 1900, Doctor of Science (honorary), 1952. Doctor of Science, Western Reserve University, 1955, U. Colorado, 1955, Colorado College, Colorado Springs, Colorado, 1958.
Practicing dentist, Colorado Springs, Colorado, since 1901, New York City, 1917-1940. Conducted research starting 1908, final determination, 1931, of fluorides in water as cause of mottling and reduction dentist decay. Resulted in practice of adding fluor-rides to communal water systems
Member of New York Academy Dentistry, American Association Orthodontists, Rocky Mountain Society Orthodontists, Colorado
Married Gertrude Eleanor Ronaldson, December 31, 1903. Married second, Honora Bailey Fink, May 14, 1941. Children: Helen Gertrude (Mistress Bennett H. Horchler), Virginia Mary Neosho (deceased), Roberta Henrietta (widow of Robert Lusardi).