Candid photograph of Strong at approximately 68 years old at a retirement dinner with the Physics Department faculty.

Candid photograph of Strong at approximately 68 years old at a retirement dinner with the Physics Department faculty.

Candid photograph of Strong at approximately 68 years old at a retirement dinner seated at a table and speaking to his wife, Bethany June McLaughlin Strong.

Portrait of Haines at approximately 35 years old.

Portrait of Riina at 46 years old.

Portrait of Riina at 46 years old.

Portrait of Riina at 46 years old.

Portrait of Muller at 45 years old.

Portrait of Carr at approximately 37 years old.

Portrait of Athanasiou at approximately 30 years old.