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
Lost Monarch Lost Monarch Lost Monarch is the name of a Coast Redwood ("Sequoia sempervirens") tree in Northern California that is in diameter at breast height (with multiple stems included), and in height. It is the world's fifth largest coast redwood in terms of wood volume (the Del Norte Titan was listed as the largest single-stem coast redwood tree, in part because the basal measurements of the Lost Monarch contain multiple stems). Lost Monarch was discovered on May 11, 1998, by Stephen C. Sillett, and naturalist Michael Taylor, and is located among other giant redwoods called "The Grove of Titans" in Jedediah