The Lineage of Leela

And AlphaGo Master begat AlphaGo Zero, and AlphaGo Zero begat AlphaZero, and AlphaZero begat Leela -- at least according to The Lineage of AlphaZero (January 2018) and Understanding Leela (June 2018). And behind all of this begetting was David Silver of Google's DeepMind.

Deepmind AlphaZero - Mastering Games Without Human Knowledge (42:29) • 'Published on Jan 29, 2018'

From Youtube's 'The Artificial Intelligence Channel'

2017 NIPS Keynote by DeepMind's David Silver. Dr. Silver leads the reinforcement learning research group at DeepMind and is lead researcher on AlphaGo. He graduated from Cambridge University in 1997 with the Addison-Wesley award. • Recorded: December 6th, 2017

If you're as out of the loop as I am, you might like to know that NIPS is shorthand for 'Conference and Workshop on Neural Information Processing Systems'.