The Steele Prize for Seminal Contribution to Research is awarded for a paper, whether recent or not, that has proved to be of fundamental or lasting importance in its field, or a model of important research. Special Note: The Steele Prize for Seminal Contribution to Research is awarded according to the following six-year rotation of subject areas: 1. Open (2025) 2. Analysis/Probability (2020) 3. Algebra/Number Theory (2021) 4. Applied Mathematics (2022) 5. Geometry/Topology (2023) 6. Discrete Mathematics/Logic (2024)