Professor R. Nath (b. 1933), M.A., Ph.D., D. Litt, taught History at Agra College and University of Rajasthan Jaipur, from where he retired as Professor & Head of Department of History & Indian Culture. For almost half a century, he has been studying Indian historical architecture, chiefly Mughal Architecture, on which subject he has authored 55 books, 15 monographs and 179 research-papers, including the multi-volume series: History of Mughal Architecture. With his knowledge of Sanskrit and Persian, he writes authoritatively. His is, essentially, a study of the Land, the People and the Culture.