Career
He was first Orthodontist in the State of Maryland. Kelsey received his dental degree from University of Maryland School of Dentistry. He taught at University of Maryland School of Dentistry from 1906 to 1910, while graduating from Angle School of Orthodontia in 1908.
In 1910 Kelsey became a professor of orthodontics at the school, and subsequently chairman in 1913.
He remained as chairman until his retirement in 1940. Doctor Kelsey has written 57 articles that have been published in various orthodontic journals.
Kelsey died at the age of 73 in 1946. The University of Maryland School of Dentistry has established a Harry East. Kelsey award in his memory.