Or is the researcher simply a legitimate world-class expert on the drug or disease in question?

Players are ranked in terms of goals on a scale from zero (novices) to 10 (world-class experts).

Gubber was a world-class expert on robots, but whatever was up, it definitely did not involve robots.

Soon "Diabetes on the Dial," a radio show featuring interviews of world-class experts in the field of diabetes, was born.

A significant number of world-class experts in the field of software engineering endorse the initiative's Call for Action.

He has also consulted with the governments of many developing nations and is considered a "world-class expert" regarding the design of tax systems.

He has introduced lots of world-class experts to lecture in China, bringing to the country the state-of-art technology in optical communication.

In two widely separated cities, two world-class experts did exactly the same thing.

But in the end, the system's multiple lines of defense - dealers, galleries, auction houses, museums, archives, world-class experts - proved all too permeable.

I had a world-class expert examine every byte of information on his hard drive.