Matthias Ettrich
, original creator of
LyX, a what-you-see-is-what-you-mean
document processor for the LaTeX
typesetting system. Later he got more
interested in the usability of not only
LaTeX but also the desktop itself and
founded the KDE project. Here he was
and partially still is responsible for
various things including but not limited to the window manager itself. After finishing his studies in computer science he eventually got hired by Trolltech and moved to Oslo, where he now is the technically responsible lead developer for the Qt toolkit.