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.
NOTE: Spoken before the U.S. Subcommittee on National Security and Policy and Scientific Development, House Committee on Foreign Affairs, U.S. Congress. A slightly modified version of this speech was published in Stanford M.D. 8, no. 4 (Fall 1969) pp. 15-17.