The Jesuits made important contributions to the development of science, including meteorology, particularly by establishing observatories in various countries during the 19th century including Jersey. However, over the years the contribution of the observatories and the highly intelligent and dedicated scientists who worked in them have been neglected and largely forgotten. This work aims to put the principles of the Jesuit order into scientific context, then outlines the career and contribution to meteorology of one individual in particular, P