Liberalism in Austria reached its peak at the time of the 1848 revolution, when civil liberty and a written constitution for the Austrian Empire were key demands of the revolutionary movement.
Provisional governments in Venice and Milan quickly expressed desire to be part of a united Italian state, a new Hungarian government in Pest announced its intentions to break away from the Empire and elect Ferdinand its King, and a Polish National Committee announced the same for the province of Kingdom of Galicia and Lodomeria.
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In addition, working with Ignaz Schiffermüller he formed an early collection of butterflies and moths, which was kept at the Hofburg Palace but lost in the revolution of 1848, and published the first catalog of the Lepidoptera found around Vienna.