American businesspeople Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! “Template:Specspsy Peter Ferdinand Drucker (November 19, 1909–November 11, 2005) was an Austrian... Peter Drucker Pages in category "American businesspeople" This category contains only the following page. D Peter Drucker Retrieved from "http://psychology.wikia.com/wiki/Category:American_businesspeople"