His appointment as rector of a school at Buda was of no long continuance; his views excited the zeal of the Dominicans and he was thrown into prison.
The best editions of his correspondence are those by Sandor Szilagyi, both published at Buda (1866 and 1879).
Since the early days of international telegraphy, conferences of representatives of government telegraph departments and companies have been held from time to time (Paris 1865, Vienna 1868, Rome 1871 and 1878, St Petersburg 1875, London 1879, Berlin 1885,1885, Paris 1891, Buda Pesth 1896, London 1903).
On the death of his father he was inveigled to Buda by the enemies of his house, and, on the pretext of being concerned in a purely imaginary conspiracy against Ladislaus V., was condemned to decapitation, but was spared on account of his youth, and on the king's death fell into the hands of George Podébrad, governor of Bohemia, the friend of the Hunyadis, in whose interests it was that a national king should sit on the Magyar throne.
The rebellion was the more dangerous as the town rabble was on the side of the peasants, and in Buda and other places the cavalry sent against the Kuruczok were unhorsed as they passed through the gates.