Michl has made important contributions to numerous areas of chemistry during his career:: theoretical and experimental aspects of organic photochemistry, magnetic circular dichroism, chemistry and theory of biradicals and biradicaloids, electronic and vibrational spectroscopy with polarized light, silicon chemistry and electronic structure, theory and experiment of sputtered frozen gases, properties and theory of organic Reaction intermediates, cluster-ions, molecular building blocks for supramolecular structures and boron chemistry.