Many people who have an interest in maintaining or building bicycles will have come across Sheldon Brown’s website. I have certainly referred to it many times obscure bike maintenance questions or to point people towards some sound, comprehensive and expert advice on how to perform a particular bit of maintenance. I have recklessly ignored his advice about Campagnolo Record track hubs though…
I was saddened to hear the other day that Sheldon passed away last weekend. According to his Wikipedia entry, it was from a heart attack.