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.

Doris D. Evans was born in Dexter, Missouri. She moved to Nevada in 1936. She was a housewife, a substitute teacher, and a realtor.

Margaret (Peggy) Riskin has lived in Las Vegas, Nevada since 1993.

Doug Charles was born in Brookly, New York. He came to Las Vegas in 1957.

Donna Henshaw was born in Appleton, Minnesota. Around 1947, she moved to Las Vegas, Nevada.