Candid photograph of Cloos pointing out a location on a tectonic map.

Candid photograph of Kouwenhoven and Sekula in Krakow, Poland.

Candid photograph of Parodi at the Swiss Embassy in Rome.

Candid photograph of Bronk at approximately 53 years old, giving a speech at the 1950 Commemoration Day.

Candid photograph of Cranwell at approximately 45 years old in his home with an apron on.

Contact sheet of four candid photographs of Benton at approximately 40 years old in his office.

Candid photograph of Shaw at approximately 52 years old talking to Baird, who is also approximately 52 years old.

Candid photograph of Whitehead at approximately 82 years old seated in a chair that is on a table at the 1953 Annual Engineers' Dinner.

Candid photograph of French at approximately 76 years old, speaking at the 1953 Annual Alumni dinner.

Candid photograph of Parodi at approximately 45 years old standing in front of a painting in a living room in Rome.