A Pictorial History

Using His Loaf — Gelsenkirchen, Germany
Unal Nas, a Turkish engineer who arrived in Germany as a guest worker in 1966, opened his first shop selling pita bread in 1975, after cashing in his savings to buy a German bakery. Seen here in two photgraphs a generation apart; he's the kid in the cap, above, and the doting dad, below

• European Disunion