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</html><thumbnail_url>https://engineering.jhu.edu/magazine-archive/wp-content/uploads/2014/07/alumniupfront011.jpg</thumbnail_url><thumbnail_width>290</thumbnail_width><thumbnail_height>500</thumbnail_height><description>Albert H. Halff &#x2019;50 PhD, founder of a prominent Dallas-based firm, recalls the wellspring of his passion for environmental engineering. IN 1950, when Albert H. Halff received his PhD in Sanitary Engineering at the Johns Hopkins University, he gained something else of great value in that field: first-hand exposure to Abel Wolman &#x2019;13, &#x2019;15. The...</description></oembed>
