Elmer Joseph Reist, , 92, a Menlo Park resident who was inducted into SRI International's Hall of Fame for his work synthesizing antivirals and anti-cancer drugs, died on Feb. 13; Alice Rockwood Bethke, 84, a former longtime Palo Alto resident who volunteered in local schools after retiring as supervisor of the Santa Clara School District children's libraries, died on March 6; Barbara A. Ringham, 90, an Atherton resident who dedicated her life to raising her children and was known for her many talents, including flying planes, baking wedding cakes and sewing, died on March 6; Paula Luna, 97, a Mountain View resident who worked as a private caregiver for local seniors after her retirement as a community outreach coordinator for the city of Mountain View and case load manager for the County of Santa Clara Department of Social Services, died Feb. 12.