The Drive-Thru’s Humble Beginnings: A rubber hose and a two-way speaker

In what may best be described as a case of synchronicity, the year that Dunkin’ founder William Rosenberg opened up his first Open Kettle restaurant, a burger stand 3,000 miles away became the first fast food location to institute drive-thru business. That was 1948, and while these two pioneering concepts would one day prove to…