2 persons [supposedly] with 200+ IQ: Goethe and Da Vinci. Another source mentions Napoleon. Another list, bottom: people who "knew everything" [the sum total of academic knowledge available at that time].
----- > http://www.eoht.info/page/IQ%3A+200+(%C2%B1)+candidates > IQ: 200 (±) candidatesThis is a featured page > IQ scale (ceiling fitted) > The Cox (1926) Buzan (1994) ten anchor-point geniuses, a basic measuring > stick to potential candidate 200-range IQ individuals. > In intellectual categorizations, IQ: 200 (±) candidates are those that > do not have specific previously estimated or tested IQs, but which whose > retrospect intellectual life-long accomplishments would intuitively seem > to merit an intellectual quotient, possibly, in the 200 range, plus or > minus, via comparative extrapolation of those of those established > 200-range IQs. This being based on the premise that one can assign any > individual, historical or present, a natural number (1, 2, 3, 4, 5 …) > said to represent the “relative brightness or intelligence” of that person. > > This page, which is a work-in-progress, being a precipitate of the IQ: > 200+ and IQ: 225+ pages, discusses on this topic. A starting point point > includes IQ: 200+ thread discussions (IQ: 200+ page threads or category > IQ: 200+), sections from the IQ: 200+ page, e.g. last person to know > everything group, internet discussions, hundreds of comments given on > the popular 2009 video "IQ | Smartest person ever", and 2007-2010 > polling to both scientists and general public, on the question of who > are the three smartest people of all time. [1] > > Goethe-Da Vinci range > The main sources for 200-range IQ estimates are from the research done > by Cox (1926) and Buzan (1994). The consensus of these two geniuses > lists indicates, diagrammed above, indicate that there are only two > uniformly agreed-upon 200-range IQ individuals to have ever lived: > Leonardo Da Vinci (IQCB=200) and Johann Goethe (IQCB=213). Goethe is > also one of the six individuals said to have known everything; and Da > Vinci comes in second place in colloquial polls as to who is the > smartest person of all time. These two minds give us a ruler with with > which to compare and make potential estimates of other possible > overlooked high-end IQ candidates. > > Cox-Buzan Anchor Point IQs > 213 200 194 193 183 180 178 178 177 172 > Goethe (75px) > Goethe (1749-1832) Leonardo da Vinci > Da Vinci (1452-1519) Gottfried Leibniz (75px) > Leibnitz (1646-1716) Isaac Newton (75px) > Newton (1643-1727) Galileo > Galileo (1564-1642) John Stuart Mill > Mill (1806-1873) Descartes 75 > Descartes (1596-1650) Michelangelo > Michelangelo (1475-1564) Spinoza > Spinoza (1632-1677) Faraday > Faraday (1791-1867) > > People Said to Have Known Everything > Athanasius Kircher 75 > Athanasius Kircher (1602-1680) Thomas Young 75 > Thomas Young (1733-1829) Goethe 75 new > Johann Goethe (1749-1823) Alexander Humboldt 75 > Alexander Humboldt (1769-1859) Joseph Leidy 75 > Joseph Leidy (1823-1891) Thorstein Veblen 75 > Thorstein Veblen (1857-1929)
