There are some days that you remember. Seems like there are more and more as time goes on. 12/7/41, 11/22/63, 1/28/86, 9/11/01, and now this. 2/1/03. Here's a biography of the crew of STS-107, the Columbia Astronauts.
One of the bloggers keeping track of all this is of course, InstaPundit. I have the link to the right.