The first inkling that office workers scurrying along Montgomery Street had that something was wrong came when they looked up to see a blue blur falling from the sky. Some thought it was debris — but then it got closer, and the crowd began to scream and scatter. It was a man, plummeting 11 stories toward them. With a thump and a crash of shattering glass, the middle-aged window washer smashed into a moving car just after 10 a.m. Friday morning. He lay wincing and miraculously alive for a moment on the crumpled roof of a green Toyota Camry, witnesses said, and then rolled off onto the pavement. That’s when retired Army Col. Sam Hartwell and 19 others — including the driver of the smashed car — sprang into action. In moments, they had called 911, set up traffic blocks and banded around the man, some bending low to urge him to hold on, hoping he could survive until paramedics arrived. Read more http://www.sfgate.com/bayarea/article/Worker-plunges-from-downtown-San-Francisco-5909289.php