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.
The information from Lederberg's interview was eventually incorporated into Ezell's book, "On Mars: Exploration of the Red Planet, 1958-1978. It was published by NASA as part of its NASA History Series in 1984.