What is the crossword answer for the clue: Author of the quotation below

SHAW - a 4 letter word may be the answer you are looking for!

LAROCHEFOUCAULD - a 15 letter word may be the answer you are looking for!

DISRAELI - a 8 letter word may be the answer you are looking for!

Author of the quotation below

4 Character Answers:

SHAW

8 Character Answers:

DISRAELI

15 Character Answers:

LAROCHEFOUCAULD