Mark Lomolino has made important contributions to island biogeography, especially to the concepts ‘habitat corridors’, ’small island effect’, and the species-area relationships. His dedicated support for The International Biogeography Society, including a profound role in the Society’s founding 25 years ago (around the year 2000), and his coauthoring of a foundational textbook of Biogeography are also being recognized with the 2026 Wallace Award.