Immanuel Kant which means they are necessary and universal, yet known through intuition. Kant's often brief remarks about mathematics influenced the mathematical school known as intuitionism, a movement in philosophy of mathematics opposed to Hilbert's formalism, and Frege and Bertrand Russell's logicism. With his "", Kant is considered to have foreshadowed many of the ideas that have come to form the democratic peace theory, one of the main controversies in political science. Prominent recent Kantians include the British philosophers P. F. Strawson and Quassim Cassam and the American philosophers Wilfrid Sellars and Christine Korsgaard. Due to the influence of Strawson and Sellars,
Immanuel Kant dilapidated and was demolished to make way for the mausoleum, which was built on the same location. The tomb and its mausoleum are among the few artifacts of German times preserved by the Soviets after they conquered and annexed the city. Today, many newlyweds bring flowers to the mausoleum. Artifacts previously owned by Kant, known as "Kantiana", were included in the Königsberg City Museum. However, the museum was destroyed during World War II. A replica of the statue of Kant that stood in German times in front of the main University of Königsberg building was donated by a German entity