Dr. Charles Doolittle Walcott

The scientist Dr. Charles D. Walcott was the fourth secretary of the Smithsonian, serving from 1907 until 1927. His fascination with geology began when he was thirteen years old and a wagon wheel uncovered a vein of fossils near his home. He traveled all over the world in support of his research, collecting fossils and plants from Canada, South America, and China.