Vann was born in
St Mary Cray,
Kent. He joined the
Dominican Order in 1923 and was ordained a priest in 1929. He obtained a doctorate in Sacred Theology from the
Collegio Angelico, the future
Pontifical University of Saint Thomas Aquinas in Rome in 1931. Vann's books include works on
just war theory and
Thomas Aquinas. In 1935, he wrote an Introduction to the English translation of the book
The Burden of Belief by Ida Coudenhove. Vann died in
Newcastle-upon-Tyne in 1963 after a long illness. ==Works==