diff --git a/concepts-techniques-and-models-of-computer-programming.md b/concepts-techniques-and-models-of-computer-programming.md
new file mode 100644
index 000000000..cb89f2985
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+++ b/concepts-techniques-and-models-of-computer-programming.md
@@ -0,0 +1,9 @@
+# Concepts, Techniques and Models of Computer Programming
+
+- [[go]] https://www.info.ucl.ac.be/~pvr/book.html
+- [[gerhard zorn]] https://twitter.com/ZornGerhard/status/1346270481486376964
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/gerhard-zorn.md b/gerhard-zorn.md
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+++ b/gerhard-zorn.md
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+# Gerhard Zorn
+
+- A [[person]].
+- [[twitter]] twitter.com/zorngerhard
+- Met them through [[codex]]
+- Introduced me to [[concepts-techniques-and-models-of-computer-programming]], [[mozart]]
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[person]: person "Person"
+[twitter]: twitter "Twitter"
+[codex]: codex "Codex"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/journal/2021-01-05.md b/journal/2021-01-05.md
index e3645f800..d4ba52267 100644
--- a/journal/2021-01-05.md
+++ b/journal/2021-01-05.md
@@ -8,6 +8,7 @@
       - stoa: shared repos set up by the agora proper?
     - Implicit: the agora aggregates subnodes that follow a convention?
 - [[sleeper trains]]
+- [[concepts, techniques and models of computer programming]]
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [olofl]: ../olofl "Olofl"
diff --git a/mozart.md b/mozart.md
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+++ b/mozart.md
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+# Mozart
+
+- A [[person]].
+  - [[composer]]
+- A [[project]]
+  - [[go]] mozart2.org
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[person]: person "Person"
+[project]: project "Project"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file