Background
Heffelfinger, David Mark was born on January 10, 1951 in Fort Worth, Texas, United States. Son of Hugo Wagner and Betty Lu Heffelfinger.
Heffelfinger, David Mark was born on January 10, 1951 in Fort Worth, Texas, United States. Son of Hugo Wagner and Betty Lu Heffelfinger.
Master of Science in Physics, Wayne State University, 1984.
Project scientist, General Motors Research Laboratory, Warren, Michigan, 1978-1990; graduate research assistant, Wayne State University, Detroit, 1982-1984; engineering department manager, Bio-Rad laboratories, Hercules, California, 1990-1998; director engineering, Biometric Imaging, Mountain View, California, since 1998.
Member American Association for the Advancement of Science, International Society Optical Engineering, Optical Society American.
Married Gail Patricia Lindsay, Dec.10, 1995. Children: Jakob, Leon, Stacy.