Prof. S. Guptan Nair was an accomplished writer, scholar-teacher, critic and orator. The state had honoured him with the Ezhuthachan Puraskaram, the highest literary honour awarded by the Kerala Sahitya Akademi.
Guptan Nair was born to Sanskrit scholar and Ayurveda practitioner Sankara Pillai and Kali Amma at Oachira in Kollam on August 22, 1919. He was educated at the Kayamkulam Government School and Government Arts College, Thiruvananthapuram.
He passed B. A. Honours in 1941 and joined the University College, Thiruvananthapuram as a teacher in 1945. Later he served at the Government Brennen College, Thalassery, Maharaja's College, Ernakulam and the Government Victoria College, Palakkad, before retiring as the Head of the Malayalam Department at the University of Calicut.
Guptan Nair's major works are "Samalochana", "Isangalkappuram", "Kranthadarsikal", "Tagore", "Kavyaswaroopam", "Asthiyude Pookkal", "Kaattil Parakaatha Kathukal", "Gadyam Pinnitta Vazhikal", "Thirayum Chuzhiyum" and "Srishtiyum Srishtavum". His autobiography "Manasasmarami" was published in 2005.
He is a recipient of the Kerala Sahitya Akademi award in 1966, Kendra Sahitya Akademi award in 1984, Vallathol Award in 1995 and Vayalar Award in 1998
Guptan Nair died on February 6, 2006. Bhageerathi Amma is his wife and Lakshmikumari, M. G. Sashibhushan and Sudhakumari are children.