Obama honours three top Indian-American scientists

Washington: US President Barack Obama has honoured three "extraordinary" Indian-American scientists and nine others with America's top medals for their pioneering work in exploring the very frontiers of human knowledge and making the world a better place.

At an impressive White House ceremony, Obama presented the National Medal of Science to Dr Srinivasa S R Varadhan from New York University for his groundbreaking research in probability theory.

Varadhan's findings have potential applications in many areas of study including population dynamics, finance, and traffic engineering, including highway planning and management.

Obama conferred the National Medal of Technology to Dr Rakesh Agrawal from Purdue University, Indiana for his many innovations relating to liquefied gas production.

Agrawal's research findings have resulted in significant energy and cost efficiencies and advanced the science of electronic device manufacturing while enhancing the supply of industrial gases for a wide range of industries.

The US President also presented the National Medal of Technology to Dr B Jayant Baliga with North Carolina State University for the development and commercialisation of a range of power semiconductor devices.

These semi-conductors are extensively used in lighting, medicine, and renewable energy generation systems, including hybrid and electric vehicles and solar energy sources.

"I'm pleased to recognise these extraordinary scientists, engineers, and inventors for their work exploring the very frontiers of human knowledge and making our world a better place," Obama said at the ceremony held on Friday.