William Rosenberg (June 10, 1916 – September 22, 2002) was an American entrepreneur who founded the Dunkin' Donuts franchise in 1950 in Quincy, Massachusetts, one of the pioneers in name-brand franchising, originally named the "Open Kettle" doughnut shop when established in 1948. At the end of 2011, there were more than 10,000 outlets of the chain in 32 countries. Early life Rosenberg was born in Boston, Massachusetts, one of four children of Nathan Rosenberg, a grocery owner, and Phoebe Rosenberg (née Swart). Both parents were Jewish-German immigrants from Prussia. Rosenberg grew up in Boston's working-class Dorchester neighborhood and was educated in public schools. Due to financial problems, he was forced to leave school by eighth grade to help support his family, who had lost their store during the Great Depression. Career After several jobs, at age fourteen, he went to work for Western Union as a full-time telegram delivery boy. At seventeen, he started working for Simco, a company that distributed ice cream from refrigerated trucks, rising from delivery boy to national sales manager at age twenty-one, supervising the production, shipping, cold storage and manufacturing and managing 40 to 100 trucks. At the start of World War II, he joined Bethlehem Steel in Hingham, Massachusetts. He later became the first Jewish trade union delegate. After the war, Rosenberg borrowed $1,000 to add to his $1,500 in war bonds and used his knowledge of food distribution to open his first company "Industrial Luncheon Services", a company that delivered meals and coffee break snacks to factory workers on the outskirts of Boston. Rosenberg created his own catering vehicles, with sides that rose to reveal sandwiches and snacks stocked on stainless steel shelves, an early predecessor to mobile catering vehicle. Within a short time, he had 200 catering trucks, 25 in-plant outlets and a vending operation. Noticing that forty percent of his revenues came from coffee and doughnuts, he started a retail shop that specialized in those products, opening his first coffee and doughnut shop, the "Open Kettle" on Memorial Day in 1948, later renamed "Dunkin' Donuts". Instead of the five different types of doughnuts doughnut shops traditionally offered, Rosenberg offered 52 different varieties. In 1955, upon opening his sixth shop, he decided on the concept of franchising his business as a means of distribution and expansion. In 1959, after the franchise idea had started to catch on, he lobbied at a trade