Fun fact: the Jeff Dean Facts was started by Kenton Varda (kentonv around here [1]), as a joke inside Google. He has expressed regret that it eclipsed Sanjay Ghemawat, with whom Jeff Dean basically did pair-programming with.

[1] also known for open-sourcing ProtoBufs v2, creating CapnProto and Sandstorm, and commenting on the recent Cloudflare OS post https://news.ycombinator.com/item?id=49182996