Portrait of Fishbein at approximately 50 years old.

Portrait of Armstrong at approximately 45 years old.

Outside portrait of Veblen at approximately 43 years old.

Outdoor portrait of Hardie, Professor of Geochemistry and Sedimentology.

Candid photograph of President Jimmy Carter, who is on the left, applauding as Toepfer is being recognized.

Candid photograph of President Jimmy Carter at a press conference after receiving the Albert Schweitzer Prize for Humanitarianism.

Candid photograph of President Jimmy Carter at a press conference after receiving the Albert Schweitzer Prize for Humanitarianism.

Candid photograph of Muller presenting the Albert Schweitzer Prize for Humanitarianism to President Jimmy Carter, who is on the right, as Toepfer observes.

Candid photograph of Muller conversing with an unidentified man at a reception held in honor of the Chinese Ambassador Han Xu.

Candid photograph of Mathias and Appelt-Fischer conversing at a reception held in honor of Chinese Ambassador Han Xu.