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- Chief Asphalt Road Engineer of the Pennsylvania Department of Transportation (1970-88)
- Former member of the Graduate Faculty of Civil Engineering at Auburn University
- Co-author of the first ever textbook on asphalt road technology in the US
- Chairman, US Transportation Research Board Committee on Asphalt Roads (1982-88)
- Chairman, American Society for Testing and Materials (ASTM) International Committee on Road Paving Standards (responsible for over 200 standards used worldwide)
- President, International Association of Asphalt Paving Technologists (AAPT)
- Inducted on the "Wall of Honour" established at the largest asphalt road research center in the world (2011)
- Made Honorary Member of the Association of Asphalt Paving Technologists (2012) - considered equivalent to "Life Time Achievement Award in Asphalt Technology"
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