Sir Brajendra Nath Seal (; 3 September 1864 – 3 December 1938) was a Bengali Indian humanist philosopher. He served as the second vice chancellor of Mysore University.
He began his career as a lecturer at the Scottish Church College. Seal was regarded as 'a versatile scholar in many branches of learning, both scientific and humanistic,' and in his major work The Positive Sciences of Ancient Hindus demonstrated 'interrelations among the ancient Hindu philosophical concepts and their scientific theories.'
Seal was the keynote speaker at the first session of the First Universal Races Congress of 1911 on 26 July 1911, which gathered speakers and attendees from across the world to discuss racial issues and encourage international cooperation. Part of his address included the declaration that<blockquote>We are assisting at a solemn function, the conferring of a new charter, the charter of the modern conscience, on each race and nation as a member of the world-system... From this watch-tower of Humanity, we seem to hear the measureless tread of generations behind and before, to witness the universal march and procession of Humanity, at the opening of a new era...</blockquote>Michael Biddiss notes that Seal's opening words 'set the tone of effusion and euphoria' which pervaded much of the Congress as a whole.
Books
- A Memoir on the Co-efficient of Numbers: A Chapter on the Theory of Numbers (1891)
- Neo-Romantic Movement in Bengali Literature (1890–91)
- A Comparative Study of Christianity and Vaishnavism (1899)
- New Essays in Criticism (1903)
- Introduction to Hindu Chemistry (1911)
- Positive Sciences of the Ancient Hindus (1915)
- Race-Origin (1911)
- Syllabus of Indian Philosophy (1924)
- Rammohan Roy: The Universal Man (1933)
- The Quest Eternal (1936)
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