Portrait of Hopkins at approximately 60 years old.

Portrait of Hopkins at approximately 60 years old.

Portrait of Hopkins at approximately 60 years old, a subject in the "Johns Hopkins University trustees of University and Hospital" mural located in Shriver Hall.

Portrait of Holbrook at approximately 22 years old.

Portrait of Haskins at approximately 20 years old.

Portrait of Griffin at approximately 60 years old.

Portrait of Griffin at approximately 60 years old.

Portrait of Mills at approximately 41 years old.

Portrait of Mergenthaler at approximately 40 years old.

Portrait of McPherson at approximately 26 years old.