Kent Beck and Robert C. Martin both signed the Agile Manifesto, but their approaches to technical excellence diverge in fascinating ways. The 3X model, code optionality, and software craftsmanship: what combining their philosophies teaches us about modern engineering.

The creator of Clojure and Datomic didn't just build tools — he challenged the assumptions baked into mainstream software development. Simplicity, immutability, and data-first thinking: the ideas that made him one of the most influential minds in our field.