
Sheldon Brown, justifiably one of the most famous bicyclists in history, died this week.
You can pay respects at sheldonbrown.blogspot.com
Sheldon was nominally a bike mechanic, but that does not begin to explain the influence of his website, and of his voluminous writings over decades.
He not only invented the real man saddle
http://www.sheldonbrown.com/real-man.html
he was a real man.
Obituary in the Boston Globe.