He is a sound engineer, and he spent more than 30 years in Bánk (the site of a unique summer festival (“nyaraltatás”) organized by the reform-minded pedagogue Eszter Leveleki, not far from Budapest. He began going to the camp as a kid in the 1930s, and then he kept coming back for decades. He had a personal relationship with Eszter Leveleki. Ferenc Háber inherited all the materials related to Bánk from her.