William III of England | George III of the United Kingdom | Henry III of England | George III | Edward III of England | Henry III | Edward III | Charles III of Spain | William III | Edwin Lutyens | Loudon Wainwright III | WTA Tier III tournaments | Richard III of England | Benigno Aquino III | Pope Alexander III | Star Wars Episode III: Revenge of the Sith | Henry III of France | Gustav III of Sweden | Shalmaneser III | Alexander III of Russia | Albatros D.III | Frederick III | Rainier III, Prince of Monaco | Otto III | Frederick William III of Prussia | Edwin Booth | Victor Emmanuel III of Italy | III | Frederick III, German Emperor | Wade Hampton III |
Institute's executive board and research posts are occupied by leading free-market economists and business leaders, such as Edwin Meese III, John Blundell, Dr. Andrey Illarionov, Monica Macovei, Maurice McTigue, Ivan Mikloš, Dr. Alvin Rabushka, Dr. Daniel J. Mitchell and others.
Lewin's individual clients have included Attorney General Edwin Meese III, whom he represented while he was serving as Attorney General, President Richard Nixon, Jodie Foster, John Lennon, nursing home owner Bernard Bergman, Congressman George Hansen, Teamsters president Roy Williams, and Israeli war hero Aviem Sella.