Docs: add details on origins of Cue

Signed-off-by: Solomon Hykes <solomon@dagger.io>

docs/learn/102-dev.md

@@ -53,7 +53,7 @@ Each link in the graph represents a flow of data between nodes. For example:
 ### Introduction to Cue development
 
 Dagger delivery plans are developed in Cue.
-Cue is a powerful declarative language by the creator of GQL, the language used to deploy all applications at Google. It is a superset of JSON, with additional features to make declarative, data-driven programming as pleasant and productive as regular imperative programming.
+Cue is a powerful declarative language by Marcel van Lohuizen. Marcel co-created the Borg Configuration Language (BCL), the [language used to deploy all applications at Google](https://storage.googleapis.com/pub-tools-public-publication-data/pdf/43438.pdf). It is a superset of JSON, with additional features to make declarative, data-driven programming as pleasant and productive as regular imperative programming.
 
 If you are new to Cue development, don't worry: this tutorial will walk you through the basic
 steps to get started, and give you resources to learn more.