Candid photograph of Carson at 37 years old at Hawk Mountain.

Candid photograph of Bowman's two granddaughters who are approximately two years old and four years old respectively.

Candid photograph of Bowman at approximately 67 years old on lawn with his granddaughter.

Candid photograph of Tuve at approximately 45 years old at the Carnegie Institution, Washington, DC with a group of unidentified men.

Candid photograph of students playing volleyball as a audience, seen in the background, observes.

Candid photograph of students playing tug-of-war in the gym.

Candid photograph of students playing tug-of-war in the gym.

Candid photograph of students in the gym waiting for activities to commence.

Portrait of Huether at approximately 25 years old.

Portrait of Murphy at approximately 22 years old.