Johann Moriaen (born Nuremberg c.1591-1668) was a German alchemist and early chemist, known as an associate of Samuel Hartlib.
[3] He matriculated at Heidelberg University in 1611, where he knew Georg Vechner, later an associate of Johann Amos Comenius.
[5] He gave up the ministry and returned to his native Nuremberg in 1627, then full of refugees from the Thirty Years War.
[7] He at this time was involved in practical aspects of optics and Paracelsian chemistry and medicine.
His Dutch connections included the Hebraist Adam Boreel,[8] and businessman Louis de Geer, a supporter of Comenius.