North Central College - Naperville, IL

Harold Zahl

Class Year: 

Outstanding Alumni Award Winner 1964

Harold Zahl was a distinguished American physicist who was recognized as an inventor of scientific devices and processes. He was a top administrator in the Armed Forces research and development program, as well as an author of scientific articles and reviews. A pioneer in the field of radar in the 1930s, Zahl invented the infrared detector which led to the assignment of responsibility for detection of ground, sea and air targets to the Signal Corps. His invention of the pneumatic cell led to the development of the first Army radar and the acceptance of radar as a major means of military surveillance and an invaluable aid to navigation.