See also Criticism of non-standard analysis Halting problem Influence of non-standard analysis References External links Celebrating Emil Post & His "Intractable Problem" of Tag: 100 Years Later on YouTube, including contributions by Martin Davis (from 1 hour 39 minutes in the recording) 1928 births 2023 deaths 20th-century American Jews 20th-century American mathematicians 21st-century American Jews 21st-century American mathematicians American logicians American people of Polish-Jewish descent Courant Institute of Mathematical Sciences faculty Fellows of the American Academy of Arts and Sciences Fellows of the American Mathematical Society Institute for Advanced Study visiting scholars New York University faculty Number theorists Princeton University alumni Scientists from the Bronx