Internet, http://www.artcult.com/nf649.html, juillet 2004
Information trouvée : décès 2004
Wikipedia, 2021-02-17
Information trouvée : Hans Henrik Ágost Gábor, Baron von Thyssen-Bornemisza de Kászon et Impérfalva (13
April 1921 – 27 April 2002), an industrialist and art collector, was a Dutch-born
Swiss citizen with a Hungarian title and heir to a German fortune, a legal resident
of Monaco for tax purposes, with a declared second residency in the United Kingdom,
but in actuality a long-time resident of Spain, and son of a German father and a Hungarian
and English American mother (related to Daniel M. Frost and John Kerry)