Villa Reemtsma was build between 1930-1932 Martin Elsässer for Philipp F. Reemtsma, founder of the Reemtsma Cigarettenfabriken GmbH now one of the biggest tobacco and cigarette producers in Europe.
http://www.skyscrapercity.com/showthread.php?t=917990
http://www.manager-magazin.de/life/wohnen/0,2828,617699,00.html
http://www.welt.de/print-welt/article188008/Neue_Plaene_fuer_das_einst_teuerste_Privathaus_Deutschlands.html
http://de.wikipedia.org/wiki/Haus_K._in_O.
http://www.reemtsmapark.de/