E. O. Wilson is an American biologist, researcher, theorist, naturalist, and author. Dr. Wilson is a two-time winner of the Pulitzer Prize for General Non-Fiction and a New York Times bestseller for "The Social Conquest of Earth" and "Letters to a Young Scientist." Dr. Wilson’s latest book is The Meaning of Human Existence. He was in the Northwest to speak at Town Hall Seattle as part of The Seattle Science Lectures.