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.
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,
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.
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 professor is sitting behind a desk in an office. The desk is covered with various folders, stacks of paper and a Styrofoam cup. There are filing cabinets, a coat rack and windows in the background.