He became interested in the idea of sanitation after taking part in a research project on the social and political development of cities.

VOA: special.2010.03.15

About two thousand people visited the Public Observatory Project in the first two weeks after it opened.

VOA: special.2009.10.27

He had been named chief engineer of the Brooklyn Bridge project soon after his father died.

VOA: special.2009.03.04

After that,he would return to Duncan each time he accepted a new musical project.

VOA: special.2010.03.07