निम्नलिखित में से कौन विलासिनी नाट्यम के एक प्रसिद्ध कलाकार हैं?

Padma Shri awardee Guru Gangadhar Pradhan was an accomplished dancer of which of the following dance forms?

Due to the services rendered by the poet ___________, the Kathakali dance form received a new impetus and today, many innovations are also being made to suit the needs of a changing society.