William Phelps Allis and Laszlo Tisza at blackboard
Description
William Phelps Allis, right, works with Laszlo Tisza at a blackboard.
Original Caption: "Laszlo Tisza (left) and W. P. Allis discuss the thermodynamics of liquid helium."
Original Caption: "Dr. Laszlo Tisza and Dr. W. P. Allis, both associate professors of physics, in the Research Laboratory of Electronics of the Massachusetts Institute of Technology."