Parkinson's disease causes tremors.
P. R. Srinivasan -LRB- born 27 June 1920 -RRB- is an Indian epigraphist , archaeologist and art historian associated with the Government Museum , Chennai .. He served as curator for art and archaeology at the Government Museum from 1946 to 1959 and Director of the epigraphy branch of the Archaeological Survey of India -LRB- ASI -RRB- from 1976 to 1978 .. curator. curator. epigraphy. epigraphy. Archaeological Survey of India. Archaeological Survey of India. Srinivasan is known for his book Bronzes of South India -LRB- 1963 -RRB- which was published as a bulletin of the Government Museum and his illustration in the 1955 edition of K. A. Nilakanta Sastri 's magnum opus The Cholas.Shri P.R. Srinivasan was the Chief Epigraphist from 1976-78 .. K. A. Nilakanta Sastri. K. A. Nilakanta Sastri. He is a great Art historian and well-versed in temple architecture .. He has edited South Indian Inscriptions Vol .. XXVI and Epigraphia Indica Vol .. XXXIX .