Conversation so far:
To what degree was Benjamin Lee Whorf's influence on language of thought?
The principle of linguistic relativity in its strong deterministic form first found its clear expression in writings of Benjamin Lee Whorf.
What was Benjamin Lee Whorf's influence on linguistics?
Benjamin Lee Whorf conceptualized the idea that speakers of different languages inherently think differently.
Tell me more about Benjamin Lee Whorf's ideas
The obligatory nature of the terms of language have been taken to suggest that Benjamin Lee Whorf meant that language completely determined the scope of possible conceptualizations.
Are there any other interesting aspects about this article on Benjamin Lee Whorf?
Benjamin Lee Whorf had two younger brothers, John and Richard, who both went on to become notable artists.
What does Benjamin Lee Whorf say about how we speak of the world?
To communicate thoughts and experiences with members of a speech community speakers must use the linguistic categories of their shared language, moulding experiences into language to speak them.

Question: What were the categories
Self-contained rewrite: What were Benjamin Lee Whorf's grammatical categories?