Dave Garroway, Helen O’Connell and the rest of NBC’s "Today" crew had to get up pretty early in the morning to broadcast the show live from the east side of Lake Calhoun. Among the guests that day were football legend Bronko Nagurski of International Falls and concertina legend Christy Hengel of New Ulm. The lake was abuzz with sailboats at that hour (7:02 a.m., judging by Garroway’s watch), but the lakefront itself was empty. The sign-waving crowds that swarm the “Today” set now were unknown back then. Or maybe Minneapolitans worn out by Aquatennial events decided to sleep in.
Here's a portion of the original Minneapolis Star caption published on July 22, 1958: