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
Iluvatar (tree) Iluvatar (tree) Iluvatar is a redwood tree in Prairie Creek Redwoods State Park in Northern California that has been confirmed to be at least in diameter at breast height, and in height. Measured by Stephen C. Sillett, it is the world's third-largest coast redwood, the largest being Lost Monarch. Iluvatar is located among a group of trees called Atlas Grove. The location is unpublished. Atlas Grove, including Iluvatar, is a carefully studied area of forest. Just measuring Iluvatar required five climbers for over 20 days. Iluvatar has 134 reiterated trunks, more than any except the Redwood Creek Giant. Its first