Foreign Scientists and U.S. Policy Makers Seek Ways Around Visa Stalemate

Andy Manis for The Chronicle

Ankit Agarwal (left) and a fellow researcher work in a lab at the U. of Wisconsin at Madison, where as a graduate student Mr. Agarwal helped develop an infection-resistant type of artificial skin. He now leads a company that produces the material.
August 13, 2012

While Ankit Agarwal was a chemical-engineering postdoc at the University of Wisconsin at Madison, he came up with an idea that could save thousands of lives.

An expert in nanotechnology, Mr. Agarwal helped devise a way of embedding tiny amounts of…

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