Candid photograph of Rasetti at approximately 55 years old with a microscope in a laboratory.

Candid photograph of Rasetti at approximately 55 years old with samples in a laboratory.

Candid photograph of Lazarus at approximately 22 years old, walking at Queen's College, Oxford.

Candid photograph of Lazarus at approximately 22 years old at Queen's College, Oxford.

Candid photograph of Lazarus at approximately 22 years old, walking on Oxford Street.

Candid photograph of Myers at approximately 35 years old on a street in Geneva.

Candid photograph of Myers at approximately 35 years old in his Geneva office.

Candid photograph of Reed at approximately 68 years old using a drill in his shop on his New Hampshire farm.

Candid photograph of Reed at approximately 68 years old using a calculator on his New Hampshire farm.

Candid photograph of Reed at approximately 68 years old in a cornfield on his New Hampshire farm.