The paleontologist Barnum Brown died at the age of 89. Here is all you want to know, and more!
Biography - A Short Wiki
Paleontologist who rose to prominence for discovering the first documented remains of Tyrannosaurus rex in 1902. He also helped acquire fossils for the American Museum of Natural History.
His second wife, Lilian Brown, wrote a book of memoirs titled I Married a Dinosaur about her life with him.