Question: Who founded the famous chain of music-themed restaurants which opened its first establishment in the city where the Prince and the Pauper takes place?

<P0-S0> London has numerous venues for rock and pop concerts, including the world's busiest arena the o2 arena and other large arenas such as Earls Court, Wembley Arena, as well as many mid-sized venues, such as Brixton Academy, the Hammersmith Apollo and the Shepherd's Bush Empire. <P0-S1> Several music festivals, including the Wireless Festival, South West Four, Lovebox, and Hyde Park's British Summer Time are all held in London. <P0-S2> The city is home to the first and original Hard Rock Cafe and the Abbey Road Studios where The Beatles recorded many of their hits. <P0-S3> In the 1960s, 1970s and 1980s, musicians and groups like Elton John, Pink Floyd, David Bowie, Queen, The Kinks, The Rolling Stones, The Who, Eric Clapton, Led Zeppelin, The Small Faces, Iron Maiden, Fleetwood Mac, Elvis Costello, Cat Stevens, The Police, The Cure, Madness, The Jam, Dusty Springfield, Phil Collins, Rod Stewart and Sade, derived their sound from the streets and rhythms vibrating through London. <SEP> <P1-S0> On June 14, 1971 he and Peter Morton started the first Hard Rock Café (HRC) restaurant in London's fashionable Mayfair district. <P1-S1> The restaurant combined rock music, memorabilia related to rock 'n' roll and American cuisine. <SEP> <P2-S0> culver franchising system, inc., doing business as culver's, is a privately owned and operated casual fast food restaurant chain that operates primarily in the midwestern united states. <P2-S1> culver's opened its first restaurant in 1984 in sauk city, wisconsin, and is currently headquartered in prairie du sac, wisconsin. <P2-S2> as of 3 july 2018, the chain had 665 restaurants across the united states, and 18 coming soon in 10 states. <SEP> <P3-S0> the modern hamburger was developed in the united states, but by the end of world war ii, around the middle of the 20th century, it began to spread to other countries as fast food became globalized. <P3-S1> the main cause of this gradual globalization was the successes of the large restaurant chains. <P3-S2> their desires to expand their businesses and increase their profits resulted in them creating franchises around the world. <P3-S3> mcdonald's was among the very first of the burger chains to take the global establishment of its brand seriously, but it was not the only one. <P3-S4> wimpy began operating in the united kingdom in 1954, 20 years before mcdonald's began operation in the country, and by 1970 it had expanded to over a thousand restaurants in 23 countries. <P3-S5> on august 21, 1971, in zaandam, near amsterdam in the netherlands, ahold opened its first european franchise. <P3-S6> in the 1970s, mcdonald's began to expand into europe and australia. <P3-S7> in asia, japan saw the establishment of its own fast food chain in 1972: mos burger (モスバーガー, mosu bāgā), an abbreviation of ``mountain, ocean, sun '', which eventually became a direct competitor to mcdonald's. <P3-S8> all of its products, however, were variations on the burger adapted to the asian world, including the teriyaki burger, takumi burger, and riceburger. <P3-S9> in hong kong, aji ichiban competed with large chains before it spread quickly throughout asia. <P3-S10> one of the first hamburger vending machines debuted in amsterdam in 1941 under the brand febo, its name derived from its original place of creation, the ferdinand bolstraat. <SEP> <P4-S0> The Prince and the Pauper is a novel by American author Mark Twain. <P4-S1> It was first published in 1881 in Canada, before its 1882 publication in the United States. <P4-S2> The novel represents Twain's first attempt at historical fiction. <P4-S3> Set in 1547, it tells the story of two young boys who are identical in appearance: Tom Canty, a pauper who lives with his abusive father in Offal Court off Pudding Lane in London, and Prince Edward, son of King Henry VIII.