Thanks for this - I particularly appreciate the information. Here are some other items, some with comments:

http://news.ycombinator.com/item?id=1371335

http://news.ycombinator.com/item?id=1371637

http://news.ycombinator.com/item?id=1372045

http://news.ycombinator.com/item?id=1372976

http://news.ycombinator.com/item?id=1374007

From the Times obituary:

In fact he was so old his age was the largest number with only two factors, where the two numbers below it also have only two factors each.

This is a tremendous loss, I don't know anyone who can fill his shoes.