From the Hungarian Wikipedia page [1]
Andorka Rudolf (Budapest, 30 April 1931 - Budapest, 30 June 1997) Széchenyi Prize-winning Hungarian sociologist, university professor, correspondent member of the Hungarian Academy of Sciences. Andorka Rudolf's military attache child. A renowned scholar of social stratification and demography, from 1991 until his death he was the rector of the Budapest University of Economics.
He graduated in 1949 and enrolled at the Faculty of Law Faculty of the Faculty of Law at the Pázmány Péter University (from 1950: Eötvös Loránd University). Along with his university studies, he worked as a physical worker. In 1951, he was relocated to Besenyszög and expelled from the university (his father's Horthy-era diplomatic activity). After serving his military service, he worked at the Tile and Ceramic Co-operative and later at the Labdell Cooperative. In 1956 he started the university again. At the time of the 1956 revolution, he was a member of the University's National Guard. After the defeat of the revolution, he was briefly detained by the KGB. In 1957, five months were sentenced to imprisonment. He was able to complete his studies later, and obtained a law degree in 1963.
For the diplomat of the same name see [2]