“ RATRAMNUS (d. c. 868) , a theological controversialist of the second half of the 9th century, was a monk of the Benedictine abbey of Corbie near Amiens, but beyond this fact very little of his history has been preserved. He is best known by his treatise on the Eucharist (De corpore et sangnine Domini liber) , in which he controverted the doctrine of transubstantiation as taught in a similar work by his contemporary Radbertus Paschasius. Ratramnus sought in a way to reconcile science and religion, whereas Radbertus emphasized the miraculous. Ratramnus's views failed to find acceptance ”