David Bruce Dill was a physiologist in the study of exercise, sports medicine and applied sciences. His research focused on the effects of temperature exposure, high-altitudes, diet, age and fatigue on the human body. Dill received his bachelor's degree from Occidental College in Los Angeles, California and both his master's and doctoral degrees from Stanford University in Stanford, California. He began his physiology career at Harvard’s Fatigue Laboratory in its inaugural year, 1927.