“Where are mathematicians buried?”/“The symmetry.”

A math riddle is:
 
Q: Where are mathematicians buried?
A: The symmetry.
 
“Symmetry” sounds like “cemetery.” The joke has been cited in print since at least 2007.
   
     
tes
My favourite joke at the moment:
 
Where are mathematicians buried?
>The Symmetry!
 
Ha ha ha…
Happy holidays to all
choccy cake, Dec 21, 2007 #112
       
Math Is Fun Forum 
Math one-liners
studymaths
2011-06-14 09:11:43
(...)
joke[42]=“Where are mathematicians buried?”;
punch[42]=“The Symmetry.”;
   
Twitter
Assignment Expert
@SolvingExpert
-Where are mathematicians buried? -The Symmetry.
7:16 AM - 1 Sep 2011
   
Twitter
_LASERS_
@Mr_Gray_1914
lol “@solvingexpert: -Where are mathematicians buried? -The Symmetry.”
7:17 AM - 1 Sep 2011
 
Twitter
PTC Mathcad
@PTC_Mathcad
Where are mathematicians buried? -The Symmetry. /via @solvingexpert ^bg
7:34 AM - 1 Sep 2011
   
Twitter
Shimoshi Nakamura
@Shimoshi1
“Question: Where are mathematicians buried? ” Ans : The symmetry”
3:24 PM - 14 Dec 2012
   
Google Groups: BunchofCurators
Clickable Classic Jokes V: Math Humor
ubbiebubbie1234
4/18/13
(...)
“Where are mathematicians buried?” “The symmetry.”
   
Twitter
Mr B’s Maths
@MrBsMaths
Where are mathematicians buried??...
The symmetry! 😂
7:28 AM - 14 Aug 2015
 
Twitter
Shit Jokes
@ShitJokes
Where are mathematicians buried?
The Symmertry.
4:27 PM - 20 Mar 2018