David Hestenes

David Orlin Hestenes
Hestenes at ASU SciAPP conference, March 2019
BornMay 21, 1933 (1933-05-21) (age 92)
Chicago, Illinois, U.S.
Alma materUCLA
Pacific Lutheran University
Known forGeometric algebra
AwardsOersted Medal (2002)
Scientific career
FieldsPhysics
InstitutionsArizona State University

David Orlin Hestenes (born May 21, 1933) is an American theoretical physicist and science educator. He is best known as chief architect of geometric algebra as a unified language for mathematics and physics, and as founder of Modelling Instruction, a research-based program to reform K–12 Science, Technology, Engineering, and Mathematics (STEM) education.

For more than 30 years, he was employed in the Department of Physics and Astronomy of Arizona State University (ASU), where he retired with the rank of research professor and is now emeritus.