died of pneumonia.
On a personal note: I was hired on a basic-cable show, the money was terrible but I'd get to write for Leslie Nielsen. I wrote a script for his humor and delivery, but then they couldn't get him. So instead they hired Chris Wilde.
On a broader note: my favorite Leslie Nielsen performance is in the rarely-seen teleplay THE VELVET ALLEY (1959). Nielsen played Edward Kirkley, the alcoholic TV producer. Watch as he downs multiple "special" bloody marys and delivers a great monologue (written by Rod Serling.) I challenge you to find a more expressive strand of bobbing hair than the one in this clip: