Via metro.co.uk, the story of John Sears, a retired London engineer, and his persistent failure to clean out his icebox. To wit:

"The cheese was a Christmas present I was given years ago but I missed the use-by date and left it in the fridge. I was making a cheese sauce and didn’t have enough strong cheese so I dug it out. When I opened it I thought it would be all shrivelled up but it was perfect, a very good mature cheese."

[cheesemakers] Ford Farm had never heard of one of its cheeses lasting for so long, so the company collected the rest from Mr Sears to conduct tests on it in exchange of a hamper of cheeses.

Read more at the Metro.