Boole (tree) the largest in Converse Basin Grove, was named around 1895 by A.H. Sweeny, a Fresno doctor, after Franklin A. Boole, a supervisor of the logging operation who spared the tree's life due to its great size. Before 1931, it was thought by many to be the largest tree in the world (although the General Grant Tree was more popularly known as the largest tree in the world at that time), but it is now known as the sixth largest tree, after five other giant sequoias: the General Sherman tree, the General Grant, the President tree, the Lincoln tree, and the
Hercules (tree) ground on many of the better known ones. After spending several summers studying one giant tree that he named the Hercules Tree, he decided that he could carve out the center of it without damaging the tree, and with the help of a Mr. Meyers between 1897 and 1902 he drilled and hand cut a 12 feet (3.7 m) diameter by 9 feet (2.7 m) high room, to which he added a hinged wooden door. Hoskins tried living in this room, but it leaked sap, so he made it into a gift shop where he sold redwood trinkets made of