Grosvenor described a method in a pamphlet titled The circle squared a method for determining the area of a circle squared that as a result gave a value for π (Pi) that was 3.142135… (Pi is 3.14159…).
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In 1840 he attended the Anti-Slavery Convention in London where he was included in the commemorative painting by Benjamin Haydon.
Brad Pitt | Miley Cyrus | William Pitt the Younger | Billy Ray Cyrus | William Pitt, 1st Earl of Chatham | William Pitt | Pitt | Cyrus | Hugh Grosvenor, 2nd Duke of Westminster | Cyrus the Great | Cyrus Vance | Thomas Pitt | Cyrus S. Eaton | Robert Grosvenor, 1st Marquess of Westminster | Natalia Grosvenor, Duchess of Westminster | Ingrid Pitt | Harvey Pitt | Cyrus McCormick | Cyrus Faryar | Pitt Stadium | Grosvenor | Gerald Grosvenor, 6th Duke of Westminster | Fort Pitt | Dirk Pitt | Cyrus Adler | William Pitt Kellogg | Pitt Rivers Museum | Pitt County, North Carolina | Michael Pitt | Grosvenor Place |
New-York Central College, McGrawville was an institution of higher learning founded by Cyrus Pitt Grosvenor and other anti-slavery Baptists in 1849 in McGraw, New York.