He wrote the a book, Spiritual Exercises, which is the basis of many different spiritual practices used today and one of the greatest spiritual books ever written. He then founded the Jesuits, Jesus, the Savior of Mankind (IHS) the same order that our Pope Francis belongs to.
Today Pope Francis celebrated this Feast day in a private mass.
Read the homily from this beautiful mass...
Also, read more about the spiritual exercises of St. Ignatius Loyola that are in readable form, video, daily exercises, daily reflections. If you are in need of spiritual direction, look no further.