Here you go: Google.com type in "Dahlia David Howard" or dahlia whatever and you'd be amazed what turns up. Very simple. I love the foliage on that one by the way, and the description "a real screamer!"

You might be able to find it cheaper; this was the first link I clicked on below.
poochella

Here is a link that might be useful: Buy David Howard here

Furthermore, I bet the cultivar is named after this gent. Sadly, an untimely demise for him. They delayed his funeral because of a big dahlia show going on at the same time- what an honor.

Did you have some connection with the person,Moschata, or just like the flower?

Here is a link that might be useful: David Howard, the person

I found 'David Howard' at Dan's Dahlias. They're $5 a tuber. Ships in the spring. I don't know if you ever found them last year...