who was the second person?
He was an Indian jurist, economist, politician and social reformer.
B. R. Ambedkar
Bhimrao Ramji Ambedkar (14 April 1891 – 6 December 1956), also known as Babasaheb Ambedkar, was an Indian jurist, economist, politician and social reformer, who inspired the Dalit Buddhist movement and campaigned against social discrimination towards the untouchables ("Dalits"), while also supporting the rights of women and labour. 
who received the bharat ratna award in 2017 UNANSWERABLE what is bharat ratna? The highest civilian award of the Republic of India. when was it introduced? 2 January 1954 has it ever been criticised? The decision was criticised for awarding Ramachandran before independence activist B. R. Ambedkar and Vallabhbhai Patel, who were bestowed the honour in 1990 and 1991, respectively.
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B. R. Ambedkar [SEP] Introduction
In his early career, he was an economist, professor, and lawyer. His later life was marked by his political activities; he became involved in campaigning and negotiations for India's independence, publishing journals, advocating political rights and social freedom for Dalits, and contributing significantly to the establishment of the state of India. In 1956, he converted to Buddhism, initiating mass conversions of Dalits. In 1990, the Bharat Ratna, India's highest civilian award, was posthumously conferred upon Ambedkar. Ambedkar's legacy includes numerous memorials and depictions in popular culture.