It’s an unfortunate fact that most of linguistic theory is based on a few major European languages, especially English, which actually damages our understanding of how the thousands of languages in the world might work. But there is one man who has spent his career trying to correct the balance. Robert Van Valin is one of the developers of Role and Reference Grammar or RRG which aims to explain language by focusing on some of the most unfamiliar languages in the world. In this interview we talk about the fundamentals of RRG, and what unites and divides the world's languages.