Professor of philosophy at the Pontifical University of John Paul II in Kraków, Poland, and an adjunct member of the Vatican Observatory staff. He also serves as a lecturer in the philosophy of science and logic at the Theological Institute in Tarnów. A Roman Catholic priest belonging to the diocese of Tarnów, Dr. Heller was ordained in 1959. In March 2008, Heller was awarded the $1.6 million Templeton Prize for his extensive philosophical and scientific probing of "big questions." His works have sought to reconcile the "known scientific world with the unknowable dimensions of God."