photographs
Russell working with some equipment at a desk in front of bookshelves full of books and documents.
Rea sitting in a chair with a cigar in his left hand and an eyeglass in his right eye.
He is standing outside in front of a building
Schotte reading a book at a table.
Seifriz with both hands placed on a microscope.
Lull reading a book at a desk.
Langmuir sitting at a desk with his hands folded
Nassonov sitting in front of a microscope placed on a desk.
Weiss sitting at a lab bench.
Wilson standing outside with an arm placed around a young boy and a cane in the other hand.
Redfield sitting at a lab bench with a beaker placed on a stand.
Runnstrom working with a microscope.