Complex sentence: With initial interest in particle physics Vishveshwara joined Columbia University, where Robert W. Fuller was his mentor.Later, he developed interest in General Relativity and encouraged by Fuller, transferred to University of Maryland to work with Charles W. Misner.
Split into simpler sentences: With initial interest in particle physics Vishveshwara joined Columbia University, where Robert W. Fuller was his mentor. Later he developed interest in General Relativity and encouraged by Fuller, transferred to University of Maryland to work with Charles W. Misner.