Detailed Instructions: This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
Q: A framework was developed in 1967 by Heinz Kloss, abstand and ausbau languages, to describe speech communities, that while unified politically and/or culturally, include multiple dialects which though closely related genetically may be divergent to the point of inter-dialect unintelligibility.
A:
Who developed the abstand and ausbau languages framework?