Found in 1 comment on Hacker News
Arjuna · 2021-08-25 · Original thread
This is the same Jeff Varasano that is an OG speedcuber [1] and author of the book Jeff Conquers The Cube in 45 Seconds, And You Can Too! [2]

[1] https://youtu.be/0VfGnvHRXu0

[2] https://www.amazon.com/dp/0812870972

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