Replied to Bob Diamond, the ‘Tunnel King’ of Brooklyn, Dies at 61 by Clay Risen (nytimes.com)

First he discovered a long-forgotten rail tunnel. Then he spent decades trying — in vain — to revive Brooklyn’s trolley system.

Just found out about Bob Diamond’s passing. I had the pleasure of going on one of the tours of the tunnel he rediscovered when I was in high school, even bringing one of my teachers along. I later went to visit the warehouse where they were working on the trolleys for his plan. It had been many years since I had seen him, and while he was an imperfect individual, I appreciated his vision.