William Ruckelshaus was a true visionary whose contributions to improving our planet and oversight of foundational environmental laws will have a lasting effect on all. He was passionate about environmental protection, a leader in bipartisanship, and an honorable public servant. Ruckelshaus delivered the John H. Chafee Memorial Lecture on Science, Policy, and the Environment at the NCSE Annual Conference in 2005. For his steadfast passion for the environment, Ruckelshaus served as an Honorary NCSE Board Director. Recognized throughout the world as a leader bridging law and the environment, Ruckelshaus will forever be remembered for his integrity and public service as well as his commitment to the NCSE mission of improving the scientific basis of environmental decision-making.