Ampsingius, John Assuerus

, a native of the province of Over-yssel, was first a clergyman at Haerlem, but afterwards studied medicine and practised in Lower Saxony, having also been appointed medical professor at Rostock, and physician to the duke of | Mecklenburgh. He died at Rostock in 1612, aged eighty-three?., he wrote, 1. “Dissertatio iatromathematica,” Rostock, 1602, 1618, 4to; 1629, 8vo. In this, after preferring medicine and astronomy to all other sciences, he contends for the necessity of their union in the healing art. 2. “De Theriaca, oratio,” 1618, 4to. 3. “De Morborum differentiis,” 1619, and other works, in which his practice appears rather more rational than his theory. ¹