In 1928, Ackermann helped David Hilbert turn his 1917 – 22 lectures on introductory mathematical logic into a text, Principles of Mathematical Logic.
•
Wilhelm Friedrich Ackermann (29 March 1896 – 24 December 1962) was a German mathematician best known for the Ackermann function, an important example in the theory of computation.
Wilhelm II, German Emperor | Wilhelm II | Wilhelm Reich | Gottfried Wilhelm Leibniz | Georg Wilhelm Friedrich Hegel | Wilhelm Keitel | Friedrich Wilhelm Joseph Schelling | Wilhelm Furtwängler | Karl Wilhelm Friedrich Schlegel | Wilhelm Wundt | Rita Ackermann | Wilhelm Sasnal | Wilhelm Kempff | Wilhelm Busch | Rudolph Ackermann | Wilhelm Westphal | Wilhelm von Knyphausen | Wilhelm von Bode | Wilhelm Steinitz | Wilhelm Schlenk | Wilhelm Heinrich Roscher | Wilhelm Gesenius | Wilhelm Canaris | Prince Wilhelm of Hesse-Philippsthal-Barchfeld | Friedrich Wilhelm Freiherr von Bülow | Franz Wilhelm Junghuhn | Carl Wilhelm Siemens | Wilhelm von Tegetthoff | Wilhelm von Schütz | Wilhelm von Humboldt |
There are many such schemes of ordinal notations, including schemes by Wilhelm Ackermann, Heinz Bachmann, Wilfried Buchholz, Georg Cantor, Solomon Feferman, Gerhard Jäger, Isles, Pfeiffer, Wolfram Pohlers, Kurt Schütte, Gaisi Takeuti (called ordinal diagrams), Oswald Veblen.