Background
Helphrey, David Bryan was born on March 2, 1944 in Spokane, Washington, District of Columbia, United States. Son of James Matson Helphrey and Elizabeth Frances Hartup.
Helphrey, David Bryan was born on March 2, 1944 in Spokane, Washington, District of Columbia, United States. Son of James Matson Helphrey and Elizabeth Frances Hartup.
Bachelor of Arts in Chemistry, Occidental College, 1966. Master of Science in Chemistry, Purdue University, 1970.
Scientist, California Institute Technology, Pasadena, 1970-1978; engineer, Beckman Instruments, Fullerton, California, 1978-1988; manager, Beckman Instruments, Fullerton, California, 1988-1990; senior staff scientist, Beckman Instruments, Fullerton, California, since 1990. Consultant Durrum Instruments, Palo Alto, California, 1973-1977.
Member American Association for the Advancement of Science.
Married Cynthia Louise Simer, April 22, 1966. Children: Daniel Blaine, Caitlin Sarah.