Portrait photograph. Mr. Gurtman (left) and Melvin Coursey (right) are seating on a couch. Gutman is holding a publication.

Portrait of Wessel at approximately 65 years old.

Portrait of Wessel at approximately 65 years old.

Portrait of unidentified man standing in front of an icy waterway in Russia. Possibly donated by the School of Advanced International Studies (SAIS).

Portrait of Schlenger at approximately 70 years old holding papers.

Portrait of Huggins at approximately 65 years old.

Portrait of Muller at approximately 45 years old posing in front of bookcases.

Portrait of Mabus at approximately 36 years old.

Portrait of Gray at approximately 45 years old.

Portrait of Ernst posed in his laboratory next to his microscope.