David Farrel and Priscilla Grassi were married May 28, 1966, in Ventura, Calif., and currently reside in Medford.
David and Priscilla have two children, Glenn (Kim) of Antelope, Calif., and Jason (Karen) of Sacramento, Calif. They have three grandchildren.
The couple celebrated their golden anniversary in Hawaii. They both spent their careers working in the environmental sciences, including protection of the environment and air quality.