Stephen Alderman and Peter : Our youngest son , Peter , was killed on 500 . After his death , they knew they had to leave a mark that Peter existed . In sub-Saharan Africa , the incidence of traumatic depression and PTSD exceeds that of HIV/AIDS , malaria and TB combined . They set up the the World Trade Center to help people affected by terrorism . Elizabeth , Stephen Alderman : Stephen Alderman would be proud of the work that bears his name .
Stephen Alderman and Peter : Our youngest son , Peter , was killed on 500 . After his death , they knew they had to leave a mark that Peter existed . They set up the the World Trade Center to help people affected by terrorism . Elizabeth , Stephen Alderman : Stephen Alderman would be proud of the work that bears his name .