	In the field of Orthodontics, he is best known for his introduction of a refined type of retention plate called the Hawley Bite Plate. Two of Dr. Hawley's papers "Determination of the Normal Arch and Its Application to Orthodontia" and "An Accurate Method in Orthodontia" were read before 4th International Dental Congress and New York Institute of Stomatology. These papers were direct results of Dr. Hawley's work.