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
El Grande (tree) processes involved. In the later half of 2003, Forestry Tasmania decided to remove individual names from the state's giant trees, but later relented. Other giant trees in the area of El Grande which are also protected by Forestry Tasmania’s Giant Trees Policy, have since been named Centurion, which was discovered in 2008, and Triarius. Trees in the vicinity that had been named previously by the Wilderness Society include the Chapel tree and Gandalf's Staff. El Grande (tree) El Grande was a massive "Eucalyptus" ("Eucalyptus regnans") in Tasmania and Australia's largest tree. It was located on a ridge in the upper