Want to see the evolution of San Francisco in photos from 1938 to at least to the end of the 1960s? Look no further! I didn't finish just because it was wasting my time. Those pix were 1952 and 1957. Just for kix, the same view today:
Now I know why SF looks like entropy has been running amok! It's because for large parts of it, there's been plenty of time for exactly that! sheesh.