Tom Lehrer was an "alternative" comedian before that title had even been invented. I thought his work was great and I must admit I presumed he was long dead.
yes (and thrice yes!)
He's also one of the few comedians that makes me (even as an adult) AND my dad howl with laughter.
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This is a bit of a reach, but I reckon Lehrer fans might also like the writing of SJ Perelman; you read it and think:
"Ah, so the sarcasm in Blackadder was nothing new! I kinda like this ... "
The cultural references are (EDIT: many)
decades out of date, but it's still funny.