Poland is an old, sophisticated nation with a rich cultural heritage. You can find any type of music there, and very possibly there is more music literacy there than in other countries, including the US.
Yes, indeed, he did, only his inspirations, from what i believe, he did become friends with Sebastian Bach, if not then Sebastian is his influence, thus with that said, the probability of him...
This question could take a book to answer, but some highlights: Bach was the greatest master of counterpoint who ever lived - even other big-name composers were in awe of his command of counterpoint....