Steven Levy's Hackers: Heroes of the Computer Revolution is another interesting read (book-length) along the same lines. It is not only about the tech (which i

Steven Levy's Hackers: Heroes of the Computer Revolution is another interesting read (book-length) along the same lines. It is not only about the tech (which it covers over a wider period than the OP, from before Unix to after it), but talks about the personal habits and idiosyncrasies of the people involved too, e.g. the penchant of some of the earlier ones for Chinese food, and the unit milliblatts :). Check it out.