Q. The biographical work "Faith is a Battle" is an account of which significant historical figure?
Answer: Khan Abdul Gaffar Khan
Notes: Khan Abdul Gaffar Khan, the figure reflected in the biography "Faith is a Battle", was a political and spiritual leader known for embracing nonviolent resistance in similarity to Gandhi. This substantial work was authored by D.G. Tendulkar and officially published in the year 1967, providing an intimate portrayal of Abdul Gaffar Khan's life and philosophies.