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,
John Dewey City in 1926, she died from cerebral thrombosis on July 13, 1927. Dewey married Estelle Roberta Lowitz Grant, "a longtime friend and companion for several years before their marriage" on December 11, 1946. At Roberta's behest, the couple adopted two siblings, Lewis (changed to John, Jr.) and Shirley. John Dewey died of pneumonia on June 1, 1952 at his home in New York City after years of ill-health. and was cremated the next day. The United States Postal Service honored Dewey with a Prominent Americans series 30¢ postage stamp in 1968. In 1919, Dewey and his wife traveled to Japan