Professor David Crystal is widely regarded as a leading expert on the English language who published numerous language books. He held and holds numerous public lectures on the English Language.
One of my favourite books is The Story of English in 100 Words.
David Cyrstal is both a professor on the English language and a writer of popular English language books.
Does German have any current well-known authors on the German language in terms of the scope and breadth as regards the German language?
What German authors are there that have published well-regarded popular German language books ?