Dr. Gopalakrishnan Viswanathan is a senior Metallurgical Scientist working in Houston, USA. He has got more than two decades of academic and industrial experience. He has authored ...ver maisDr. Gopalakrishnan Viswanathan is a senior Metallurgical Scientist working in Houston, USA. He has got more than two decades of academic and industrial experience. He has authored several International Technical articles. He is married to Sivagamasundari and they have two sons, Balaji and Siddharth.ver menos