That pic was from the ending of Prohibition. As far as legally brewing at home, that law was passed by Bill Clinton a little more recently.
Right at 100° here today, and I spent half the day on my roof rehabbing one of my swamp coolers that hasn't worked in 2 years. Now it's time to kick back with a brew!
Nothing to complicated, you can make a “Keller” version of just about any German lager. Starting with a Helles or Pils and simply serving young and unfiltered and you got yourself a KellerbierLove kellerbiers!
One of these days I need to do some reading on where to even start with making one