Post studied at the Pratt Institute of New York from 1947 to 1948, completing his BS at the University of Illinois Urbana-Champaign in 1950.
[1] He received his MS in 1951 and PhD in 1957 in Theoretical and Applied Mechanics from the University of Illinois Urbana-Champaign.
He did work with Francis G. Tatnall and Vishay Intertechnology on the development of new strain gauges.
[1] He was one of the investigators on the 1969 Department of Defense Themis grant that served as the genesis of Virginia Tech's international leadership in composite and advanced materials.
[3] In 1979 he invented a white light Moire interferometry technique[1] and later authored "High Sensitivity Moiré: Experimental Analysis for Mechanics and Materials", serving the major book on the topic of Moiré Interferometry.