sentences:  He then relocated to St. Louis, Missouri with his family and his assistant, Anna Hopkins whom he hired her in 1892.He earned his Medical degree from Marion Sims College in 1897.From 1892 to 1898 he was a professor of orthodontics at the Northwestern University Dental School, between 1886 and 1899 he was a professor of orthodontics at the Marion Sims College of Medicine and from 1897 to 1899 at the Washington University Medical Department.