Sankar Nath Mukhopadhyay | Substack

Sankar Nath Mukhopadhyay

@sankarnathmukhopadhyay528804

I am 66 years old and live in Kolkata, India. I am a Mechanical Engineer from IIT and MS in Engineering from USA. I worked for 34 years in Aerospace, Atomic Energy and Automobile. I am interested in history, American Politics and science astronomy.

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