Candid photograph of Vogt photographing the Will and Last Testament of Johns Hopkins in the stacks of the Maryland State Archives.

Candid photograph of Vogt photographing the Will and Last Testament of Johns Hopkins in the stacks of the Maryland State Archives.

Portrait of White at approximately 35 years old.

Portrait of Wharton at approximately 44 years old.

Portrait of Stone at approximately 35 years old.

Portrait of Singleton at approximately 70 years old.

Portrait of Singleton at approximately 70 years old sitting at a desk with flowers in front of him.

Portrait of Ronzetti at approximately 35 years old.

Portrait of Kouwenhoven at 83 years old.

Portrait of Kouwenhoven at 83 years old.