175 IQ is pretty high. Here is a list of some people with high IQ's.
Nicolaus Copernicus, 160
Charles Darwin, 165
Charlotte Bronte, 165
Johann Sebastian Bach, 165
Wolfgang Amadeus Mozart, 165
John Locke, 165
Ludwig van Beethoven, 165
Michael Faraday, 170
George Friederich Handel, 170...