Currywurst history and restaurant

I'm about to try German currywurst for the first time and I'm stoked.  The combo of sausage, ketchup, and curry powder sounds as intriguing and delicious as Hawaiian loco moco (burger patty, brown gravy, fried egg on top of rice) or Quebecois poutine (French fries topped with cheese curds and brown gravy).

Here is a primer on currywurst:

Here is Curry Queen in Hamburg, which would fit right in on 4th Street in Berkeley:

Photo credit.