At Weihenstephan, which was founded as a brewery in 1040 by Benedictine monks, nonalcoholic wheat beer and lager now make up 10% of the volume. The head brewmaster for Weihenstephan, the world’s oldest brewery, has a secret: He really likes alcohol-free beer.Even though he’s quick to say he obviously enjoys real beer more, Tobias Zollo says he savors alcohol-free beer when he’s working or eating lunch.