The answer to the crossword for the term 'RIGHTS OF MAN AUTHOR' is Thomas Paine (5 letters). Thomas Paine was an English-American political activist, philosopher, political theorist and revolutionary. He authored the pamphlet 'Rights of Man', which defended the French Revolution against its critics and advocated for the establishment of a constitutional republic in the United States. Paine's writings influenced the American Revolution and helped shape modern ideas of democracy and human rights.