The development of the Drosophila larval brain -- Anteroposterior regionalization of the brain: genetic and comparative aspects -- Dorsoventral patterning of the brain: a comparative approach -- Dissection of the embryonic brain using photoactivated gene expression -- Design of the larval chemosensory system -- Development of the Drosophila olfactory system -- The olfactory sensory map in Drosophila -- Optic lobe development -- Clonal unit architecture of the adult fly brain.