Michael S. Mimoso writes
"WELLESLEY, Mass. -- Michael Tiemann is impossible to miss in a large crowd. Tall guy. Glasses. Red fedora. He's not necessarily an imposing figure, but Red Hat's chief technology officer casts a big shadow in the Linux community, where he's a respected open-source developer and advocate. Last week, he stopped in at Babson College in this Boston suburb to speak at a Linux workshop hosted by the school's Center for Information Management Studies (CIMS).