Outdoor portrait of Dewey at approximately 91 years old.

Portrait of Dewey at approximately 87 years old.

Portrait of Dewey at approximately 87 years old.

Candid photograph of Dewey typing at approximately 87 years old.

Candid photograph of Dewey feeding a goat at 87 years old.

Candid photograph of Dewey at approximately 87 years old with his wife, Roberta Lowit Grant Dewey, and adopted son feeding a goat.

Candid photograph of Dewey at approximately 87 years old seated in a chair, reading.