Finding better ways to bring light to the poor is the goal of researchers like David Irvine-Halliday.

VOA: special.2009.12.21

In January,David Irvine-Halliday is leaving the University of Calgary.

VOA: special.2009.12.21

In 1996 Canadian professor David Irvine-Halliday was on a work trip in Nepal when his return flight was canceled.

VOA: standard.2009.12.13

The Glens took the lead on 64 minutes when Gary Hamilton crossed and Michael Halliday headed down for David Scullion to swivel and fire home left-footed.

BBC: Ryan Berry scored Glentoran's second goal in the final