Design Research Unit deserve their near mythical position in design history. I first wrote about the "Practical Idealists" four years ago here. More recently, Johnny kindly wrote a guest post here after seeing the exhibition that toured a year or so ago. And a little before that, Eliza Williams wrote this for the Creative Review blog.
Anyone working in design today owes a debt to this amazing collection of disciplined and creative planners and smokers. Back in the day, barely a day went by when the besuited gentlemen of design didn't gather together to flame up a tab and plan a brighter future for us all.
I don't think I've anything to add to what's already been said. Except to say that the new book provides a rather convenient introduction to anyone less than familiar.
Just look at them: It's like Design Avengers Assemble circa 1970.