2020-9-8 · 4.1.6 Bacteria Flagellum. Molecular biologist, and Intelligent Design proponent, Michael Behe Lehigh University advanced the concept of “Irreducible Complexity” in his ground breaking 1996 book, Darwin’s Black Box.Irreducible Complexity simply means that in a system with many components, if it is the case that some, or many, most or all of these components are essential for the system to