b. Vienna, July 24, 1830, d. Budapest (Hungary), March 23, 1900. Industrialist, liberal politician, father of Konstantin Dumba; owner of the k. k. private Baumwollgarn-Spinnerei cotton factory in Tattendorf, Lower Austria; great accomplishments in the organisation of business and commerce education; important patron of the arts, collector and supporter of the music scene in Vienna, for example Vice-President of the Gesellschaft der Musikfreunde in Wien (Society of Friends of Music); D. Palace is located on Parkring no. 4 in Vienna's 1st district.
Literature#E. Konecny, Die Familie D. und ihre Bedeutung fuer Wien und Oesterreich, 1986; H. Wuertz (ed.), N. D. Portrait eines Maezens, exhibition catalogue, Vienna 1997.