Air Force pilot Gordon Cooper became an expert on the Redstone Rocket that would launch Mercury astronauts on short training flights.

VOA: special.2009.06.10

while "phobos" means fear. Victor Rubio is an expert on human behavior at the Autonomous University of Madrid.

VOA: special.2009.11.17

Randall Thompson was one of several American doctors who cooperated with an Egyptian heart expert on the study.

VOA: special.2009.12.15

Stephanie Rickard is an expert on the IMF and World Bank at the London School of Economics.

VOA: special.2011.05.20

Doctor Bernadette Daelmans is an expert on newborn and child health development for the World Health Organization.

VOA: special.2010.08.04

Professor Robert Thompson at Syracuse University in New York state is an expert on American popular culture.

VOA: special.2009.05.04

Walter Schirra, another Navy flier, was an expert on the pressure suits worn by navy divers.

VOA: special.2009.06.10

We separated and yet managed to come back together." David Blight is a historian at Yale University in Connecticut and an expert on the Civil War.

VOA: special.2011.04.09

is an expert on the problem. He says about twenty percent of the cases involve victims from Mexico -- the largest number of any foreign country.

VOA: special.2010.06.14

James Ker-Lindsay is an expert on southeast Europe at the London School of Economics.

VOA: special.2011.05.28

Tom Schwartz is the Illinois state historian and an expert on Abraham Lincoln.

VOA: special.2009.02.09

He was a professor of philosophy and an expert on black culture.

VOA: special.2009.02.22

Gerald Murray at the University of Florida is an expert on Haiti.

VOA: special.2010.04.13

He is an expert on the causes of the Great Depression.

VOA: special.2009.08.28

There he met Alan Lomax, an expert on America's traditional music.

VOA: special.2010.06.20

The Italian doctor was an expert on communicable diseases.

VOA: special.2009.01.27

Langdon is an expert on symbols.

VOA: special.2009.10.09

Ann Powers is an expert on viruses.

VOA: special.2009.04.13

Frank Miller, who also served as an arms control expert on the National Security Council describes some of those measures.

VOA: standard.2009.04.08

But not all agree that it was genocide. Ronald Suny,an expert on Armenia with the University of Chicago, defines genocide.

VOA: standard.2010.03.18

That's Dean Cheng, an expert on Chinese political and security affairs at the U.S. Research Institute, the Heritage Foundation.

VOA: standard.2010.04.21

Tim Whittman of the Federal Bureau of Investigation is an expert on human trafficking in the U.S.

VOA: standard.2010.05.24

Scott Baldridge, an expert on this approach. Baldridge has designed a training program for elementary school math teachers who want to use it.

VOA: standard.2010.08.10

What is clear, says Claire de Gallembert, an expert on Islam at the Paris-based National Center for Scientific Research (CNRS) is that the debate is alienating France's five-million-member Muslim community.

VOA: standard.2010.01.30

(Speaking) Wilson said he was looking down on a refugee camp from a hillside: (NO TRANSCRIPTS) M.J.Gohel,an expert on South Asia and executive director of the London-based Asia Pacific Foundation, says Wilson's efforts changed the region and the world.

VOA: standard.2010.02.11