That would be "Chris Muller". Chris wrote, amongst other things, the Magma database and the Maui user interface stuff. Take a look at http://www.squeaksource.com/@QWhy5xpjQLo5Sty4/rBdVcxgb for the Magma code and http://www.squeaksource.com/@QWhy5xpjQLo5Sty4/yM0obItA for the client-server stuff. You might also be interested in the image spawning capabilities in Dave Lewis' OSProcess project; very fast forking of running images with their own work to do etc. See http://www.squeaksource.com/@QWhy5xpjQLo5Sty4/uLwQvnlU