Yusuf Husain Khan (1902–1979) was an Indian historian, scholar, educationist, critic and author. He mastered the languages of Arabic, English, French, Urdu, Hindi and Persian. == Early life and education == Born in Hyderabad, India to a cultured and educated family, he was a younger brother of Zakir Husain, the third president of India (1967–1969). He went to school in Etawah. In 1926, he gained his BA from Jamia Millia Islamia, Delhi and in 1930 he gained his D Litt from the University of Par…