The famous, and very nice, Eugenio Loinger.
There were 44 in attendance at the ENI lecture hall (very nice).
Alessandro Amato del Monte supplied a PDF of O'Doherty and Anstey (1971). This is a paper I had been missing on my blog entry for key references. The presentation went well with some good questions, but perhaps the most exciting thing was the earthquake a couple of days before the DISC.
The vast and lovely Galleria shaped like a cross and open at each end.
The central glass dome, amazing since 1877.