Severo Ochoa de Albornoz was a Spanish physician and biochemist, and winner of the 1959 Nobel Prize in Physiology or Medicine together with Arthur Kornberg for their discovery of "the mechanisms in the biological synthesis of deoxyribonucleic acid (DNA)".

Pedro Arrupe Gondra, SJ was a Spanish Basque priest who served as the 28th Superior General of the Society of Jesus from 1965 to 1983. He has been called a second founder of the Society, as he led the Jesuits in the implementation of the Second Vatican Council, especially with regard to faith that does justice and preferential option for the poor.