Yet his influence lives on. While teaching at the University of Pennsylvania, he trained many future builders.

VOA: special.2009.12.13

One of the researchers was Doctor Susan Domchek at the University of Pennsylvania School of Medicine.

VOA: special.2010.09.22

He later went to the University of Pennsylvania and studied architecture full time.

VOA: special.2011.07.24

Richard Gelles at the University of Pennsylvania studies domestic violence.

VOA: special.2009.02.28

Kevin Volpp,director of the University of Pennsylvania's Center for Health Incentives, says these programs make it easier to take that first step to change.

VOA: standard.2010.07.16

Hilary Tindle from the University of Pittsburgh School of Medicine in Pennsylvania was the lead author of the report.

VOA: special.2009.04.15

Placing it there was the idea of Richard Wukich, an art professor at Slippery Rock University in Pennsylvania.

VOA: special.2009.06.22

After the group was pardoned, Berhanu went to the United States, where he teaches economics at a university in the state of Pennsylvania.

VOA: standard.2009.05.25