The President of the United States of America takes pleasure in presenting the Legion of Merit to Captain (DC) Robert A. Colby, United States Navy, for exceptionally meritorious conduct in the performance of outstanding services to the Government of the United States as a member of the staff of the United States Naval Dental School, National Naval Medical Center, Bethesda, Maryland, from 14 November 1948 to 14 November 1956. In addition to his primary duties, Captain Colby succeeded in planning, writing, and editing a book entitled “Color Atlas of Oral Pathology,” considered by numerous reviewers as a work of great scientific and practical value and an invaluable contribution to the field of dentistry.