To Maharshi Vyasa: Who apart from dividing the vedas, gave priceless Mahabharata[which contains Sri Vishnusahasranama] . To Adi Shankaracharya: But for him, we will not be writing anything today. He reestablished dharma , gave priceless "Soundaryalahari" and many many shlokas. To Sri Kanchi Paramacharya, Sri Chandrasekhara Sarasvathi and Sri Chandrasekhara Bharathi of Sringeri[Finest examples for Karma]. To Sri Rama Krishna ParamahamsaFinest example of Bhakthi] and Sri Ramana Maharshi{finest example of Jnana].