G. N. Devy is the chief editor of  the PLSI series. He taught at the Maharaja Sayajirao University, Baroda, till  1996 before leaving to set up the Bhasha Research Centre in Baroda and the  Adivasi Akademi at Tejgadh, where he worked towards conserving and promoting  the languages and culture of indigenous and nomadic communities. Apart from  being awarded the Padma Shree, he has received many awards for his work in  literature and language conservation.
  Roop Krishen Bhat, former Professor,  Central Institute of Indian Languages, Mysore and Director, Directorate of  Adult Education, MHRD, Government of India is an author of more than thirty-  five books. He writes in Kashmiri, Urdu, Hindi and English. His main areas of  academic interest are language, literature, culture and media. A Sahitya  Akademi translation awardee and a prominent short story writer in Kashmiri,  Bhat has been a Senior Research Fellow of Ministry of Culture , Government of  India. 
  Omkar N. Koul, former Director,  Central Institute of Indian Languages, Mysore has had a distinguished career  spanning over forty years. Author of over fifty books, his main areas of  academic interest are linguistics, language education, communication and  comparative literature. He has also been associated among others, with several  UNESCO programmes related to endangered languages and mother tongue education.