Nicholas L. Heck.
Fully developed wiredrag, invented Radio Acoustic Ranging.
Head of Divsion of Terrestrial Magnetism and Seismology
Image ID: theb3478, NOAA's People Collection
Photo Date: 1940?
Credit: NOAA Office of NOAA Corps Operations
Category: Personnel/Single Portrait/Nicholas Heck/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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November 10, 2017