Bhimrao Ramji Ambedkar was an Indian polymath - philosopher, jurist, economist, politician, social reformer, journalist, writer, sociologist, and anthropologist. He inspired the Dalit Buddhist movement and campaigned against social discrimination towards the untouchables. He was British India's Minister of Labor in Viceroy's Executive Council, Chairman of the Constituent Drafting committee, independent India's first Minister of Law and Justice, and considered the chief architect of the Constitution of India.