If we could wind the clock back to 1934, to listen in as Rudy’s Bakery rolled its first strudel, German is the language we would have heard at the baker’s bench, and beside the glass-fronted display cases, and, more likely than not, on the sidewalk outside, along Seneca Ave. At least since the late 1800s, Ridgewood, Queens, was a predominantly German community. Local breweries were major employers; at the turn of the century, Ridgewood and neighboring Bushwick, Brooklyn, were home to more than a dozen.