The correct answer is: Dr. Hargobind Khorana.
Dr. Hargobind Khorana was an Indian-American biochemist who shared the 1968 Nobel Prize in Physiology or Medicine with Marshall W. Nirenberg and Robert W. Holley for their work on the genetic code. He was born in Raipur, British India (now in India) in 1922 and died in Concord, Massachusetts in 2008.
Arun Netravalli is an Indian-American electrical engineer who is known for his work on the development of the integrated circuit. He was born in Bangalore, India in 1939 and is currently a professor at the University of California, Berkeley.
Subramani Chandrasekhar is an Indian-American astrophysicist who is known for his work on the Chandrasekhar limit, the maximum mass of a stable star. He was born in Lahore, British India (now in Pakistan) in 1938 and is currently a professor at the University of Chicago.
Professor C. Radhakrishna Rao is an Indian statistician who is known for his work on the Rao-Blackwell theorem and the Rao-Blackwellized empirical Bayes method. He was born in Mysore, British India (now in India) in 1920 and is currently a professor at the Indian Statistical Institute.
In 2002, U.S. President George W. Bush bestowed the National Medal of Science, the highest award for lifetime achievement in the field of scientific research, on Dr. Hargobind Khorana.