Dave replies to Robert Peters:

>Well, I didn't mean Goldbach, I meant Gouldbach. I apologize...
>
>[Or, perhaps, Gouldberg?  See what happens when you try to be cute?  -Dave]

This is surely all in the realm of conjecture...

 [PS, for the mathematically uninterested, the Goldbach Conjecture is an
important unproven assertion of number theory; namely that every even
number greater than 4 can be written as the sum of two primes.

See, for example,

http://www.pass.maths.org.uk/issue2/xfile/index.html

len.]