He gave lectures on science and theology such as the Riddell Memorial Lecture on The beginning and end of the world in Dublin in 1942, and the Donnellan Lectures on Space and spirit also in Dublin four years later.
He gave lektura sa agham at teolohiya tulad ng Riddell Alaala panayam sa Ang simula at katapusan ng mundo sa Dublin in 1942, at ang Donnellan lektura sa Space at espiritu din sa Dublin apat na taon na mamaya.