After completing his PhD Mario was accepted to work with Professor F. Sherwood Rowland He initially began to research "hot atom chemistry" the study of atoms which have been given significant extra energy by radioactive processes. …show more content…
They met with Professor Harold Johnson of Berkeley, who had significant expertise in studying the atmosphere after his works involving supersonic transport and the potential effects it had on the ozone. Professor Harold helped confirm their fears and told them that similar conclusions had been reached by Ralph Cicerone and Richard Stolarski just a few months earlier. Cicerone and Stolarski had conducted extensive experiments regarding both hydrogen chloride and ammonium perchlorate, and they had independently realized that the release of the chlorine was causing problems for the