Candid photograph of Boas at approximately 75 years old in his office.

Interior view of Remsen Hall, with student.

Exterior view of tree in front of Remsen Hall, looking west.

Candid photograph of Swanson at approximately 49 years old explaining a problem to students.

Candid photograph of Straus at approximately 68 years old in his office with primate skulls and a skeleton.