Leland McInnes is known for a lot of packages. There's UMAP, but also PyNNDescent and HDBScan. Recently he's also been working on tools to help visualise clusters of data and he's also cooking up something new that's related to nearest neighbor algorithms. This interview touches all of these topics.
If you're interested in learning more about the MoMA exhibition, it was by Refik Anadol: https://refikanadol.com/ and this was the work at MoMA: https://refikanadol.com/works/unsupervised/.
The other artist was Kyle McDonald: https://kylemcdonald.net/ and the piece we mentioned was this one: https://www.youtube.com/watch?v=04DqdT0-NtI.