Prof. (Dr.) R. Thiagarajan started his career as a teacher and went on to become Reader and Head, Department of Sanskrit, Presidency College, Chennai, teaching Sanskrit and allied cultural subjects there for over 30 years. He has authored many audio and print books in Tamil, Sanskrit and English, besides translations and textbooks for schools and colleges. He is the founder of the Fellowship of Sanskrit Culture and has been awarded twice by the governor of Tamil Nadu for his contributions to Sanskrit. He is the chairman of Swami Dayananda's Digital Library and Research Centre, Chennai, and the chairperson of the Sanskrit Text Book Committee, Government of Tamil Nadu.

Dr. Pradeep Chakravarthy graduated from the London School of Economics, UK, and JNU, Delhi. He has a PhD in history. His corporate career at TVS, Cognizant, Infosys and McKinsey helps him connect history to human behaviour.

He has authored 12 books for adults, and published several articles in magazines and newspapers on history and its relevance today. He has started 'Anantya in the Village , a heritage hotel close to one of India's oldest villages where he organizes summer workshops for children. His first book for young readers, The History of South India for Children, was published by Hachette India in 2024.