Fulton Sheen was a 3rd order Carmelite.

Flanders talks to Mr. Allan Smith about his book Soul of a Disciple: Fulton Sheen's Meditations on the Cross, the Eucharist, and the Christian Life. In it, Mr. Smith synthesizes Fulton Sheen's own interior life and helps the reader enter into Fulton Sheen's contemporary wisdom for the spiritual life.

The Soul of a Disciple: Fulton Sheen's Meditations on the Cross, the Eucharist, and the Christian Life https://sophiainstitute.com/product/the-soul-of-a-disciple/