Robert Pugmire Evans was born in 1946 to parents Robert John and Alice Pugmire Evans. He graduated from Brigham Young University in 1971, then went on to Idaho State University to receive a doctorate in engineering and applied science. His dissertation received a patent. He married Loretta Luce while at BYU. While at the Idaho National Laboratory, Evans published several papers in various engineering and national security subjects. As of 2014, he was a resident of Idaho Falls, Idaho.

Robert John Evans was born on March 18, 1909 in Logan, Utah to Robert James and Alice Hazel Stallings Evans. He attended schools in Logan, and then moved with his family to Lehi, Utah during high school. After graduating he attended Brigham Young University, where he ran for the track team. A member of the Church of Jesus Christ of Latter-day Saints, he served a mission to South Africa between 1929 and 1932. After his return he attended Utah State Agricultural College, where he earned his bachelor's degree in chemistry and mathematics, and a master's in poultry science. He continued his studies at the University of Wisconsin, earning his Ph.D. in the field in 1939. He returned to the West, working at Carbon College in Price, Utah and at the State College of Washington in Pullman. In 1941 he married Alice Pugmire, and they had two children.

In 1947, Evans took a position on the faculty of the Poultry Department of Michigan State University. He completed some advanced studies at Cambridge, England and Edinburgh, Scotland, but remained at Michigan until his retirement in 1977. He was internationally recognized as an expert in protein biochemistry, doing extensive work with eggs and beans.

Alice Hazel Stallings Evans was born on November 25, 1885, in Coalville, Utah to parents Heber Joseph and Sarah Elizabeth Wilde Stallings. She attended Brigham Young University, where she met her husband, Robert James Evans. They were married on August 21, 1907, in Salt Lake City, Utah. After graduation from BYU, the family moved to Logan, Utah, where they attended Utah Agricultural College; Cornell University in Ithaca, New York, where Rob earned a PhD; Lehi, Utah, where they farmed and raised a yard full of chickens; Ogden, Utah, where Rob taught at Weber College; back to Lehi, and then to Logan, Utah, where Rob served as the head of the Agronomy Department. Despite the many moves, Alice was highly active in church, club, and college activities. She served in Sunday School, Relief Society, Mutual leadership, Daughters of the Utah Pioneers, Kappa Delta Mother's Club, local football and basketball games, Faculty Women's League, and in her duties as wife of the chairman. She loved the social life and the people in each city they lived. Alice kept a tidy house, with all the normal duties of cooking, cleaning, and raising children. In 1954, when Rob retired, the family moved back to Lehi one last time, where Alice lived until her death on January 20, 1992, in Lehi, Utah.

Robert James Evans (1881- 1967) was a father and member of the Church of Jesus Christ of Latter-day Saints who lived in Utah. Robert James Evans was born in Lehi, Utah on July 2, 1881 to parents Abel John and Louisa Emmeline Zimmerman Evans. He graduated from the 8th grade at age 18 and shortly afterwards, was called to serve as a missionary in the Southern States mission. He served there from 1900-1902. Upon his return, Robert James began to study in what was then Brigham Young Academy and later Brigham Young University. He graduated in 1907 and in the same year married Alice Hazel Stallings. Together they moved to Logan, Utah, where Robert James attended Utah State Agricultural College. He later attended Cornell University. After receiving his education, Robert James worked for the Utah Experiment Station. He would later move back and forth between Logan and Lehi, Utah, balancing his formal job with work on the family farm. Robert James Evans passed away on September 5, 1967.