Billy Paul Smith was born in 1942 and educated in segregated black schools in Shreveport, Louisiana, and Texarkana, Texas. He graduated from high school at fifteen and enrolled at Prairie View A&M University, where he trained with the Reserve Officer Training Corps (ROTC). He earned his Bachelor’s degree in chemistry and in 1964, his Master’s degrees in chemistry and math. Smith’s math and science background steered him to the United States Army Chemical Corps, where he was quickly selected to join a new team.

Meli Calvo Pulido was born in Mexico City and immigrated to the United States with her parents and eight siblings. In 1975, at 11:00 p.m. she woke up to the Silver Slipper on the Las Vegas Strip. She was raised on Las Vegas’s 28th Street, where she helped her family and their neighbors by becoming the neighborhoods unofficial translator. The need to serve her community and the hardships faced by her family and the families around her translated into her work after she graduated from what is now Southeast Career Technical Academy.

For Kelly Benavidez (b. 1976), life began in the northern California community of Daly City in a Spanish-speaking household. Her parents, Amelia and Genaro Benavidez, were among the few Latinos in their area at the time. Her parents felt strongly about immersing Kelly and her older brother in their Mexican culture. They made the important decision to return to Jalisco, Mexico with their young children.

Robert Herre Crabtree was born on September 27, 1929 in Chehalis, Washington. He was educated in western Washington and receieved his master's degree from the University of Washington in 1957. In 1960, he became a teaching and research assistant at the University of California, Los Angeles and worked as a research archaeologist in around around California and Mexico.