Drudge is reporting that actor Christopher Reeve has died. The news has been picked up by several media outlets.

12:30:02 ET: Veteran Hollywood reporter Nikki Finke has learned that actor Christopher Reeve is dead, according to sources close to the actor. He died suddenly Sunday. News of his death has not been reported publicly yet. His family will make an announcement Monday at the earliest. Reeve was just mentioned Friday in the second live presidential debate by John Kerry. Noting he was a friend of the paralysed Reeve, Kerry said he was in favor of further stem cell research because Reeve could walk again one day thanks to such science…. MORE…

Reeve, who was best known for his role as Superman, has been an advocate for spinal cord injury and stem cell research. He was 52 years old.