Madhvacharya (Tulu: ಶ್ರೀ ಮಧ್ವಾಚಾರ್ಯ, Sanskrit: श्री मध्वाचार्यः Śrī Madhvācāryaḥ) (1238–1317 CE), also known as Purna Prajna and Ananda Tirtha, was the chief proponent of Tattvavāda "Philosophy of Reality", popularly known as the Dvaita (dualism) school of Hindu philosophy. It is one of the three most influential Vedānta philosophies. Madhvācārya was one of the important philosophers during the Bhakti movement. He was a pioneer in many ways, going against standard conventions and norms. According to tradition, Madhvācārya is believed to be the third incarnation of Vāyu (Mukhyaprāṇa).

Madhvācārya was born on the auspicious day of Vijaya-daśami (Dussehra) in 1238 CE (AD) at Pājaka, a tiny hamlet near Uḍupi. Nārāyaṇa Paṇḍitācārya who later wrote Madhvācārya's biography has not recorded his parents' names. Traditionally it is believed that Nadillaya Nārāyaṇa Bhaṭṭa as name of the father and Vedavati as Madhvācārya's mother. They named him Vāsudeva at birth. Later he became famous by the names Pūrṇa-prajña, Ānanda-tīrtha and Madhvācārya.

Radhanath Swami (born December 7, 1950) is a Gaudiya Vaishnava guru and a member of the International Society for Krishna Consciousness (ISKCON). He works largely from Mumbai in India and also travels extensively throughout Europe and America. He has been instrumental in the founding of the Mumbai Bhaktivedanta hospital. He is an ISKCON guru and a member of the Governing Body Commission of ISKCON. Steven J. Rosen described Radhanath Swami as a "saintly person respected by the mass of ISKCON devotees today".

Born as Richard Slavin, he studied a number of religious paths such as Judaism, Christianity and Islam. At the age of 19 he began traveling through Europe and the Middle-East, eventually settling for over a year in the Himalayas. Much of this time he spent devoted to the tradition of Shaivism and was living as a renunciate Shaivite in India when he first met with Krishna devotees near Delhi. Through contact with the devotees in Vrindavan, and after receiving name Ratim Krishna from Swami Bon Radhanath began to focus exclusively on his spiritual path in Krishna Consciousness. In 1971 Radhanath Swami observed A. C. Bhaktivedanta Swami Prabhupada during the ISKCON Cross Maidan festival in Mumbai. After leaving India, Radhanath Swami returned to the United States where he joined the New Vrindaban ISKCON farm community in West Virginia during July 1972. There he accepted initiation from A. C. Bhaktivedanta Swami Prabhupada in February 1973 receiving the name Radhanath Das, later to receive the name Radhanath Swami.

Dr. Aralumallige Parthsarathy is an international scholar and expert on the field of Dasa Sahitya who preaches the values and culture from the historic Bhakthi movement practiced through the centuries in the Haridasa Sahitya, taking its lineage from Madhwacharya. He is the author of more than 42 books and over 35 CDs onscripturs, dasa sahithya,bhagavatha, bhagavadgeetha, ramayana, culture, literature and management. His writings and lectures on Daasasahithya,bhagavatha vishnusahasranama Indian heritage, Indian culture, Indian values, Geetha, have been read and listened by millions of people in different parts of the world with rapt attention. They are functional and transformational with contemporary relevance. His visits to usa started in 1995 and since then he has visited usa six times delivering more than thiousand lectures in different states of america.he is the one scholar who has delivered more than 4000 lectures in different continents. Hindu University of America-Florida has hailed his lecture tours to USA as a renaissance movement of Indian values on the soil of America.he has travelled extensively in canada, africa, australia, newzealand, china england,switxerland, france, itali, west indies,rome, germany,singapore, thailand,malashya,and many other countries delivering lecturtes on hindu sanaathana dharma very effectively.he is honoured with rajyothsava award the highest honour of karnataka government.his vishnusahasranama chakra movement has become very popular in different countries. in 2011-12he rendered twenty one bhagavatha sapthahas in usa and canada creating a massive bhagavatha awareness all accross america.he was invited as the guest of honour from india for the martin luther king jrs bithday celebrations celebrated at washington on a grand scale in 2012. He is a retired professor of Management from MES College Bangalore. He is also a guest faculty in a number of Institutions all over the world. He is a consulting resource on the board of prestigious International School of Business & Research ISBR, Pune ;Institute of Business Management & Research, IBMR & MS Ramiah Institute of Management Studies Bangalore.he is based in bangalore.he was born in aralumallige village in bangalore district on 22nd march 1948.