Calert, Michael a German Lutheran theologian, was born at Zeitz, Sept. 19, 1603. He was son of Laurent Calert, chamberlain of the council at Zeitz. and studied philosophy at Leipsic, and became in 1632 bachelor of theology. Being called, in 1633, to Misnie, as director of the gymnasium, he became, in 1635, pastor and ecclesiastical superintendent at Bischofswerda, and in 1645 held the same position at Weissenfels. In 1651 he was made doctor of theology at Leipsic. He died at Weissenfels, May 10, 1655. He wrote a large number of works, among which we mention, De Discrimine Legis et Evangelii (Leips. 1634):-De Decalogi Preceptis Prioribus Duobus (ibid. 1651):-Decalogi 'Prceceptum Tertium (ibid. 1652) :-Aphorissmi de Conciliis Oppositi Assertionibus, etc. (ibid. 1656). See Hoefer, Nouv. Biog. Generale, s.v.