The company's motto above the entrance: "Die unaussprechlich guten Brötchen" – unspeakably good sandwiches. The term "unspeakably" refers to Trześniewski's surname, which does not roll off the tongues of most Austrians! Photo: Schöning/ullstein bild via Getty Images
Arriving in the Austrian capital from Kraków in 1902, Franciszek Trześniewski revolutionized the capital's residents' beliefs about eating in the city. To this day, there is no seating, and all the clients eat standing up. Photo: Schöning/ullstein bild via Getty Images
It is ascetic – only serving sandwiches, most with a generous serving of egg spread or cottage cheese… Fot Schöning/ullstein bild via Getty Images
...and beer served in tiny tumblers (1/8 liter). Fot Kelm/ullstein bild via Getty Images