This work was made possible by the contributions of: Ankush Gupta, Nick Pezzotti, Pavel Khrushkov, Tobenna Peter Igwe, Kazuya Kawakami, Mateusz Malinowski, Jacob Kelly, Yan Wu, Xinyu Wang, Abhishek Sharma, Ali Razavi, Eric Lau, Serena Zhang, Brendan Shillingford, Yelin Kim, Eleni Shaw, Signe Nørly, Andeep Toor, Irina Blok, Gregory Shaw, Pen Li, Scott Wisdom, Aren Jansen, Zalán Borsos, Brian McWilliams, Salah Zaiem, Marco Tagliasacchi, Ron Weiss, Manoj Plakal, Hakan Erdogan, John Hershey, Jeff Donahue, Vivek Kumar, and Matt Sharifi.We extend our gratitude to Benigno Uria, Björn Winckler, Charlie Nash, Conor Durkan, Cătălina Cangea, David Ding, Dawid Górny, Drew Jaegle, Ethan Manilow, Evgeny Gladchenko, Felix Riedel, Florian Stimberg, Henna Nandwani, Jakob Bauer, Junlin Zhang, Luis C. Cobo, Mahyar Bordbar, Miaosen Wang, Mikołaj Bińkowski, Sander Dieleman, Will Grathwohl, Yaroslav Ganin, Yusuf Aytar, and Yury Sulsky.Special thanks to Aäron van den Oord, Andrew Zisserman, Tom Hume, RJ Mical, Douglas Eck, Nando de Freitas, Oriol Vinyals, Eli Collins, Koray Kavukcuoglu and Demis Hassabis for their insightful guidance and support throughout the research process.We also acknowledge the many other individuals who contributed across Google DeepMind and our partners at Google.