Johann Friedrich Mayer was born in
Leipzig on 6 December 1650 as the son of Johann Ulrich Mayer and his wife Ursula Sophia Braun. He attended the
University of Leipzig and was awarded a bachelor's degree on 21 April 1666. A master's degree in liberal arts from the Faculty of Philosophy Faculty followed on 30 January 1668. He then attended the
University of Strasbourg, where he applied himself to theological studies under Balthasar Friedrich Salzmann and until 1670. On 13 February 1671, he joined the Theological Faculty of Leipzig University. On 29 January 1672, he was made
Saturday preacher (assistant pastor) in Leipzig, and later that year he was appointed
superintendent in
Leisnig. On 29 May 1673 he obtained his
licentiate and on 19 October 1674 his
doctorate in Theology. On 27 November 1678, he was appointed pastor and
superintendent in
Grimma. However, he did not find the position in Grimma fulfilling and wished to pursue an academic career. During his work as pastor, Mayer had made a name for himself as a writer of pamphlets against
Syncretists,
Arminianists and
Papists. By decision of the Saxon High Consistory in Dresden, he was appointed fourth professor of theology at the
University of Wittenberg on 12 May 1684, where he worked alongside
Abraham Calovius,
Johannes Andreas Quenstedt, and
Johann Deutschmann. This post entailed serving as second preacher at the Wittenberg Castle Church and administering the state scholarships. In his inaugural address he argued, with reference to
Philipp Spener's '''', that theology should pursue piety rather than engaging in speculation. Mayer was
rector of Wittenberg University in the winter semester of 1684. The scandal of the breakdown of his marriage, ending in divorce, which was rare at that time, impaired Mayer's effectiveness in Wittenberg, and he accepted the position of senior pastor of
St. James' Church, Hamburg, though he would have preferred to remain in Wittenberg. Spener had admonished Mayer in connection with his marital problems and prevented him from obtaining positions that became available in Wittenberg, which led to a deep and lasting rift between Mayer and Spener. As a champion of
Lutheran orthodoxy, Mayer later became one of Spener's most troublesome opponents. In 1692–93 there was a serious controversy among the senior pastors in Hamburg concerning the admissibility of
Pietist conventicles. Mayer vehemently rejected them, along with
Pietism in general, while , the senior pastor at
St. Nicholas', approved them, supported by
Abraham Hinckelmann, senior pastor at
St. Catherine's, and , senior pastor at
St. Michael's. Mayer prevailed and Horb was removed from his post; after Mayer's departure, however, Winckler, who had formerly acted as mediator, became the senior minister in Hamburg. During his time in Hamburg, Mayer conducted a lively correspondence with leading figures of his time. He was active at the , was briefly professor at the
University of Kiel, and was made a Senior Church Councillor ('
) of Holstein. In addition, in 1691 King Charles XI of Sweden made him Senior Church Councillor (') of the German territory under Swedish rule. In 1698 he was Consistorial Councillor to
Anna Dorothea, Abbess of Quedlinburg and was also involved in theological affairs in Berlin. In Hamburg Mayer had advanced to the status of an important champion of Lutheran orthodoxy. Following the death of ,
Charles XII of Sweden, on 11 May 1701, offered Mayer Rango's post of General Superintendent of
Swedish Pomerania, a position which he took up on 12 August. By virtue of this office he was professor of the Theological Faculty of the
University of Greifswald, pastor and senior city minister at the
collegiate church of St. Nicholas, assistant chancellor of the university, and chairman of the Greifswald Consistory. Aided by his already voluminous library and art collection, Mayer developed extensive activity as an author in Greifswald. Mayer played an active role in the organizational work at the university and was its rector in 1701 and 1705. He concerned himself with the
history of Pomerania and intended to establish a learned society. However, the events of the
Great Northern War intervened. Despite his loyalty to his Swedish master, after the entry of the enemy army on 25 January 1712, he was supposed to hold a prayer service for
Peter the Great and
Augustus II the Strong in St. Nicholas's church, where he was supposed to pray for the permanent expulsion of his Swedish employer. This caused him such agitation that he suffered a stroke. Because of this he resigned all his offices and went to
Stettin, where he died of a further stroke. On 29 May 1673 J. F. Mayer married Catharina Sabina Welsch, the daughter of Gottfried Welsch, a Leipzig Professor of Medicine. His son Johann Abraham Mayer later became a Professor of Medicine in Greifswald. The marriage was dissolved in 1686. Johann Friedrich Mayer died 30 March 1712 in
Stettin. ==Importance==