German Protestant theologian, was born at Wetterau, in Hesse, in 1546. He studied at Heidelberg, entered the Church, and became pastor at Tackenheim. When, in 1576, elector Louis expelled the Calvinistic preachers, Kuchlein went to Holland, and for eighteen years held a professorship in theology at Amsterdam. In 1595 he became director of the College of Leyden, and (lied July 2, 1606. Guy Patin calls him one of the most learned men of his time. His collected works were published at Geneva (1613, 4to). See H.Witte, Diariumn Biogcraphicum; Meursius, Athen. Batav.; Moreri, Dict. Hist.; Jocher, Gelehrten Lexikon; Hoefer, Nouv. Biog. Generale, 27:256. (J. N. P.)