Francis Bacon | Francis I of France | Francis Ford Coppola | Pope Francis | Connie Francis | Francis I | Francis Poulenc | Francis of Assisi | The Roots | Francis Drake | Richard Francis Burton | Marion | Francis II, Holy Roman Emperor | Francis | Francis Xavier | Roots | James Francis Edward Stuart | Francis Scott Key | St. Francis Xavier University | Francis Crick | The Grass Roots | Francis I, Holy Roman Emperor | Francis Galton | Marion Davies | Francis Toye | Francis II | Francis Fukuyama | Francis Collins | Francis Rawdon-Hastings, 1st Marquess of Hastings | Arlene Francis |
It is named for the American inventors and brothers Philander and Francis Marion Roots, founders of the Roots Blower Company, Connersville, Indiana, who first patented the basic design in 1860 as an air pump for use in blast furnaces and other industrial applications.