Tricky.
[0] https://www.numberphile.com/videos/juggling-by-numbers
[1] As far as we know. Without the notation we don't actually know what had been done, but when I took the new patterns to juggling conventions, no one knew them[2].
[2] Actually it's stronger than that. I showed people some of the new patterns at the British Juggling Convention in 1985 and no one knew them. Then at the European Juggling Convention just 4 months later, people from the USA were proclaiming them as the latest patterns that they had just learned, and were perplexed at how I not only knew them, but knew many, many more.
[3] And actually Paul Klimek had beaten us to it, but hadn't been able to get others interested in the notation. As far as we can tell, Paul was the first to get the notation.