Raymond Chester Harbert was born on Spetember 30, 1922 in Los Angeles, California. Raymond married Virginia.

During World War II. Harbet was enlisted in the United States Army as part of the Armored Field Artillery Battalion.

Harbet obtained a Bachelor of Science in Electrical Engineering from Santa Clara Univerity. Harbert pursued garduate studies at Georgia Tech and the University of California, Los Angeles (UCLA).

Harbert was employed as the resident engineer at the Nevada Test Site.

John Chapman Hopkins was born on June 30, 1933 in Palo Alto, California. John married V. Adele on June 14, 1954 and had two children: Anna Adele an Barbara Ellen.

Hopkin was a scientist and test director as the J-division leader for the Nevada Test Site. In 1955 and 1956, Hopkins was a Los Alamos summer student.

Hopkins obtained a doctor of philosophy degree in physics from the University of Washington in 1960.

From 1960 to 1993 Hopkins was employed at the Los Alamos National Laboratory (LANL).

Beginning in clerical work at the Nevada Test Site, Daniel rose to become the Assistant Hotel Manager at Union Plaza Hotel and Casino. She established the Hotel Managers Association and the Professional Black Women's Alliance. After leaving the gaming industry, Daniel returned to school to train for a career in education. She worked closely with the Displaced Homemaker Program at the Community College of Southern Nevada and later with Help Centers of Southern Nevada.