Professor Gopal Upadhyaya (71) in his five decades of academic profession thavelled throughout the world a number of times in connection with participating/ convening a number of powder metallurgy ...ver maisProfessor Gopal Upadhyaya (71) in his five decades of academic profession thavelled throughout the world a number of times in connection with participating/ convening a number of powder metallurgy conferences. He is an avid reader of biographies and autobiographies of scientists, politicians and social leaders. Gopal leads a retired life in Varanasi (India) , but also active as consultant.ver menos