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.
Linus and Ava Helen Pauling working on a petition against nuclear testing
Date:
1957
Description:
Linus and Ava Helen assembling the signatures of scientists for a petition asking for an end to nuclear weapons testing. They gathered 11,000 signatures, which they then presented to the United Nations.
Original Repository:
Oregon State University. Library. Ava Helen and Linus Pauling Papers
Rights:
Reproduced with permission of the Ava Helen and Linus Pauling Papers. Oregon State University Library.