Friedrich Josef Maria Berentzen (11 September 1928 in HaselĂ¼nne – 20 February 2009 in Bad Rothenfelde) was a German businessman known for the liquor manufacturer (Berentzen-Gruppe AG; ca.
170 mio Euro sales a year) he founded.
He is considered the inventor of apple flavor grain liquors and brought the Apfelkorn as an independent product on the market.