In Blighty

[Bill Crawford]

Adam Williamson wrote:
...
> I have once celebrated St. George's Day. On a boat, on a river, with a
> large quantity of beer involved. I have a picture of the son of a rather
> famous author, in said boat, after consuming a significant proportion of
> said beer, waving the flag of St. George and looking mighty heroic. And
> the boat didn't even capsize. Ah, that one was fun.

Inquiring minds want to know, etc etc :o)

... how long ago? How famous? Is or was the author an alumnus of the 
same institution?