November 1, 1633, Hameln, Germany.
September 7, 1722, Hanover, Germany.
Son of Wilcke Ludwig van der Mueln (or Molanus), Gerhard studied at the University of Helmstädt. In 1659, he was appointed Professor of Mathematics at the University of Rinteln, but in 1664 extraordinary, and in 1665 ordinary Professor of Theology and D.D. In 1674, he was appointed Director of the Consistory at Hanover and General Superintendent of the Electorate of Brunswick-Lüneburg, and in 1677 (titular) Abbot of Loccum. In 1698, he edited the Hannover Gesangbuch. Molanus was a man of extensive learning, and in his official position wielded great influence over the Electorate.