I have exactly one memory of David Koch, and from it, I learned just one thing: he was a nice man. A few years ago, I was at a rich patron's–type conference at an institution I won't name, and two famous people got into a fight, one of them inexplicably aggressive, the other baffled and furious.  Koch, who I could see was there but never actually met, stepped in to smooth the ruffled feathers and act as the peacemaker between the two.  No one else knew what to do because the situation was so strange and unexpected.  Koch, who wasn't the guy running the thing, just a participant, is the one who showed the most class. So with the news of Koch's death, it was right to feel sadness.  He was a person who mattered.  He was a bright chemical engineer who had enough talent and enterprise beyond that to create value with his brother with their major...(Read Full Post)