Cute dynamic duo: www.newyorker.com/magazine/2018/12/10/the-friendship-that-made-google-huge They were at Google in 2000 at least.
Both of them attended Montessori education at some point. Interesting! Mentioned in a talk by Sergey and highlighted at The Google Story.
As The Google Story puts it about Largey:
Scholarship was not just emphasized in their homes; it was treasured.Ciro Santilli likes that.