Candid photograph of Muller at approximately 45 years old speaking to someone outside of the camera shot.

Candid photograph of an unidentified student at press in a machine shop.

Candid photograph of an unidentified student at press in a machine shop.

Candid photograph of an unidentified student and teacher in a machine shop.

Candid photograph of a student in an apron, teaching a gift-wrapping class.

Candid photograph of a student in an apron, teaching a gift-wrapping class.

Allen is on the far left.

Individuals pictured include (from left to right) Lawrence Coleman Kolb, Anna Martta Hietanen-Makela, Robert Quarles Marston, and Julian Deryl Hart who are all sitting, and Chao-Cheng Wang, Alexander Duncan Langmuir, Steven Muller, Ray Morris Bowen, and William Howard Wriggins who are all standing.

Group photograph of "Associates" (a term possibly used to refer to donors) outside a restaurant on their trip from Annapolis, Maryland aboard "Ridgely Warfield."