In 1947, Oscar R. Ewing, an ALCOA attorney, was appointed head of the Federal Security Agency, putting him in charge of the Public Health Service. Over the next 3 years, 87 American cities began fluoridating the water, including a critical city in Michigan
In 1947, Oscar R. Ewing, an ALCOA attorney, was appointed head of the Federal Security Agency, putting him in charge of the Public Health Service. Over the next 3 years, 87 American cities began fluoridating the water, including a critical city in Michigan