Crossword clues for the word: LEIBNIZ The word LEIBNIZ has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for LEIBNIZ Showing 1 to 6 of 6 results Clue(s) 'The best of all possible worlds' philosopher "Mathematician/philosopher Gottfried who espoused the phrase ""best of all possible worlds""" "Philosopher who coined the phrase ""the best of all possible worlds""" German co-discoverer of calculus Gottfried Wilhelm —, German philosopher and mathematician; a contemporary of Isaac Newton Philosopher who created the binary system and calculus