Indian mycologist.
Mandayam Jeersannidhi Narasimhan (1 July 1891 – 24 September 1970) was a pioneering Indian plant pathologist and mycologist who worked in the state of Mysore. Narasimhan was born in Madras in a family of scholars, with a grandfather who had collaborated with Max Müller. Narasimhan went to the Madras Presidency College, studying botany under P.F. Fyson, and was also influenced by his cousin M.O.P. Iyengar. He joined as an assistant mycologist under Leslie Coleman in 1913 in Mysore. He was involved in the studies of koleroga of arecanut. He also studied Hemileia vastatrix and its control in coff