Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Freis retired from full time duties at Georgetown School of Medicine and the Veterans Administration Hospital in 1987, though he continued research and writing for many years after. Frohlich's letter congratulates Freis on his retirement, and reflects on his career and accomplishments.