Certificate with text: "Linus C. Pauling is elected to the Hall of Fame of Popular Mechanics Magazine on the occasion of the magazine's Golden Anniversary. He is elected as one of fifty Americans deserving honor of their fellow men for their achievements in the fields of mechanics, the sciences and discovery, and for their contributions to the welfare of mankind during the past half century. January Nineteen Hundred Fifty Two."
Awarded by Popular Mechanics Magazine.
Name: Popular Mechanics