Explore the revolutionary life and multifaceted contributions of Alfred Russel Wallace in this captivating lecture by Jim Costa. Delve into Wallace's expeditions to Amazonia and Southeast Asia, his independent discovery of natural selection, and his founding of evolutionary biogeography. Learn about Wallace's controversial pursuits, including spiritualism and socialism, and his tireless advocacy for social reforms. Discover how this complex Victorian-era naturalist became a pioneer of socially engaged science, campaigning for land reform, labor rights, and women's suffrage. Gain insights into Wallace's scientific achievements, his relationship with Charles Darwin, and his enduring legacy in fields ranging from evolutionary biology to social justice. Through Costa's engaging presentation, based on his new biography "Radical by Nature," uncover the inspiring story of a multifaceted thinker who continues to influence scientific and social thought two centuries after his birth.