Dr. Lemuel Whitney Lyon
1806 - 1871, Dr. Lyon lived on Great Plain Ave, at the corner by St. Bart's Church and St. Sebastian's School. He was the dentist who invented Dr. Lyon's Tooth Powder around 1880. It was available for sale until the 1950s if not later. Dr. Lyons traveled to California and died in Yokohama, Japan. "Do As Your Dentist Does"

Timothy O Fuller
Dr. Lyon's Powder