“Nider.” John Nider, O.P., was born 1380 in Swabia; and died at Colmar, 13 August, 1438. He gained a wide reputation as a preacher and was active at the Council of Constance. An advocate of the strictest reforms, he became eminent in the annals of his Order by his energy and example. The most important among his many works is the “Formicarius,” a treatise upon the theological, philosophical, and socal questions of the day. A complete edition was published at Douai, 5 vols., 1602. The tractate “De Maleficus” has often been printed separately.

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