Brian Hook wrote about Carmack's productivity here: http://bookofhook.blogspot.ca/2013/03/smart-guy-productivity-pitfalls.html http://bookofhook.blogspot.ca/201

Brian Hook wrote about Carmack's productivity here: http://bookofhook.blogspot.ca/2013/03/smart-guy-productivity-pitfalls.html http://bookofhook.blogspot.ca/2013/03/smart-guy-productivity... It's an interesting read. Previous HN discussion: https://news.ycombinator.com/item?id=5383650 https://news.ycombinator.com/item?id=5383650