David's passing has been confirmed in a few places now, including Boing Boing. Most sites are revising their pages, however, because there's a lot of 404 errors in their place... and probably because of the grief as well. 8(

Kathryn Cramer, his wife, posted about him yesterday (link at Locus).

Some of the folks here have been edited by David. He's been editing SF since 1971. Odds are extremely high there's a Tor author that you've read, whose book came from David's hands.

... I hate this January for all it's taking from us.