Hum's Liquor on Lyndale Ave.) probably standing on either 5th Street or 3rd Avenue. The building behind him appears to be the Qwest building. It's almost impossible to find a modern-day street view equivalent for this photo because so many newer buildings have gone up in the last sixty years that it's hard to tell from which direction this was shot.
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See the buildings at the far right in the photo and at center in the street view? They look similar, don't they? It looks like the Spielberg's Food Market (as printed on the awning) was in the vicinity of Surdyk's or Panera's present-day location. In any case, the difference between East Hennepin in the 1940s and today is incredible -- it looks like the street isn't even paved in the 1940s photo.
(We've been going through a lot of old photos recently, so I get to do some History Detectives-type work and satisfy my secret desire to be a sleuth.)