: স্বামী বিবেকানন্দ, Shami Bibekānondo ) (January 12, 1863–July 4, 1902), born Narendranath Dutta ( Bengali : নরেন্দ্রনাথ দত্ত) was the chief disciple of the 19th century mystic Sri Ramakrishna Paramahamsa and the founder of Ramakrishna Mission . He is considered