diff --git a/cybernetician.md b/cybernetician.md
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+# Cybernetician
+
+- A [[cybernetics]] [[expert]].
+
diff --git a/warren-mcculloch.md b/warren-mcculloch.md
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 # Warren Mcculloch
 
 - [[person]]
+  - [[cybernetics]]
 - [[go]] https://en.wikipedia.org/wiki/Warren_Sturgis_McCulloch
   - [[neurophysiologist]] [[cybernetician]]
 - [[heterarchy]]