When Abe Lincoln was between three and seven, he lived at Knob Creek Farm where his family frequently housed an explorer, doctor and scientist named ______
You answered "Christopher Columbus Graham," which is correct. Abe Lincoln's family frequently housed Graham who was busy cataloging the fauna and flora of Kentucky. Abe Lincoln was forced to sleep on the floor when Graham visited but enjoyed Graham's descriptions of his travels and camping trips with the famous Daniel Boone. Graham also knew John James Audubon who at that time was a shopkeeper with an extraordinary interest in and knowledge of birds.