B. R. Ambedkar was an Indian social reformer, lawyer, and politician, born on April 14, 1891. He is best known for his role in drafting the Constitution of India and advocating for the rights of the Dalits, who were historically marginalized in Indian society. Ambedkar fought against social discrimination and worked to promote equality and justice. Ambedkar was also a prominent advocate for women's rights and education. He converted to Buddhism in 1956, seeking to escape the caste system and promote social change. His legacy continues to inspire movements for social justice and equality in India and beyond.