A researcher is holding a paper printout that is still in the process of being printed. Instead of looking at the printout however, he is looking directly at the photographer.
A researcher examined a piece of equipment that consists mainly of plugs with attached wires. Several of the plugs are inserted into metal tubes that are mounted on a frame.
Professor Burkhart is seated in front of two pieces electrical equipment. He is looking upward and gesturing as if in conversation with another individual who is not in the picture,
Professors Abraham and Burkhart stand before a blackboard filled with equations. Abraham is using a piece of chalk to point out a specific part of the equation.
Two researchers work on the circuits of an apparatus. One researcher is consulting a large book, while the other is using a probe to test the circuits.
