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
Centurion (tree) legendary Australian cricketer Donald Bradman. The tree is in a small patch of very old forest surrounded by secondary forest and has survived logging and forest fires by lucky coincidence. Near Centurion grow two other giant trees: the 86.5 metre tall "E. regnans" named Triarius and 'The Prefect' which has an impressive girth of 19m. The tallest known coast Douglas fir is now listed at 99.7 m tall and comes a close third. Centurion is also the tallest known angiosperm in the world. Centurion (tree) The Centurion is the world's tallest known individual "Eucalyptus regnans" tree and the worlds second