The paper's author speaks up in some episodes of the APL Campfire (https://apl.wiki/APL_Campfire):
- https://www.youtube.com/watch?v=w1VMeSzJLyE&list=PLYKQVqyrAE...
- https://www.youtube.com/watch?v=_jBQ53cRi0s&list=PLYKQVqyrAE...
- https://www.youtube.com/watch?v=a65K-0jaWc4&list=PLYKQVqyrAE...