FOLIO I · DENKER
Born on 28 October 1888 in Vienna. Originally named Schönfeld.
By profession an auditor of books and accounts; a regular participant in the Mises private seminar; after the First World War he published contributions on economics.
A regular participant in Ludwig von Mises's private seminar in Vienna during the 1920s and early 1930s.
Publication of the monograph <em>Grenznutzen und Wirtschaftsrechnung</em>, with which Illy sought to revive the dormant discussion of marginal utility theory.
Name change from Leo Schönfeld to Leo Illy, forced under National Socialist pressure in 1938.[1]
Completed his Habilitation after the war at the Universität für Bodenkultur (University of Natural Resources and Life Sciences) in Vienna.
Publication of the textbook “Das Gesetz des Grenznutzens” (The Law of Marginal Utility), an easily accessible summary of marginal utility theory.
A further Habilitation at the Hochschule für Welthandel in Vienna.
The contribution “Grundprobleme der Preistheorie” (Fundamental Problems of Price Theory) in 1949.[2]
Eventually completed his Habilitation at the University of Vienna under Hans Mayer.
Eventually completed his Habilitation at the University of Vienna under Hans Mayer.[3]
Permanent participant in Ludwig von Mises' Privatseminar in Vienna during the 1920s and early 1930s.
Leo Illy in the context of the School as a whole — five generations, their teacher-student lineages, circles and collegial ties.
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