Measure your mental skills, personal attitudes, predispositions to different subjects and specializations, as well as the calculation of IQ and various brain-bending riddles also used in the tests of Mensa. All tests are free, with solutions.
Some historians characters with a very high IQ: Goethe (poet / writer German) 210; von Leibniz (German philosopher and mathematician) 205, John Stuart Mill (British economist) 200; Pascal (mathematician and religious) 195; Bobby Fischer (champion American chess) 187; Galileo Galilei (the greatest genius of all time), 185 (but how they measured?) René Descartes (Descartes, mathematician Francesce) 180; Immanuel Kant (German philosopher) 175; Charles Darwin 165; 165 Wolfgang Amadeus Mozart, Albert Einstein 161, 160 Copernicus, Rembrandt (painter) 155. And you?