Kip Hawley is a former head of the U.S. Transportation Security Administration, or TSA,which is charged with screening airline passengers and luggage.

VOA: standard.2009.12.30

Peter Brown is head of the Quinnipiac University Poll, which surveyed roughly 2,300 Americans about the award.

VOA: standard.2009.12.10

Jackson says, which gives plant breeders around the world a head start in improving food production.

VOA: standard.2010.02.01

All of the other council members were represented by their head of state or government, except for non-permanent member Libya, which sent its U.N.ambassador instead of President Moammar Gadhafi.

VOA: standard.2009.09.24