Johann Jakob Moser (18 January 1701 – 30 September 1785) was a German jurist, publicist and researcher, whose work earned him the title "The Father of German Constitutional Law" and whose political commitment to the principles of Liberalism caused him to lose academic positions and spend years as a political prisoner. Early life Johann Jacob Moser was a member of the Moser family of Filseck, an old and respectable Württemberg family. They were devout Protestants with a history of service as civil servants to the Duchy of Württemberg. Moser's father was Johann Jacob Moser of Filseck (born 1660 in Stuttgart, died 1716), and his mother was Helene Catharine née Misler (born 1672 in Stade, died 1741 in Stuttgart). Moser was born and died in Stuttgart. He had six brothers and sisters but his parents managed to fund his pursuit of an academic career. After attending Eberhard-Ludwigs-Gymnasium, Career Moser studied state journalism at the University of Tübingen. He was mostly self-taught and at 18 years of age he became a professor of the law faculty. However he found his income insufficient, and he so that it had to look around for other possibilities. he studied at the University of Tübingen, and was brilliant enough to be already at the age of 19 appointed a professor of law in the same university. In 1721 Moser married Friederike Rosine Vischer, daughter of a Württembergian Upper Council President. Their oldest son, Friedrich Karl von Moser, was born on 18 December 1723 in Stuttgart, and became a jurist, political writer and a statesman. From 1721 to 1726 he worked in Vienna. In 1724 he became an adviser to the state vice-chancellor Count Schönborn. Moser was not able to pursue a career in the imperial service, because he refused to convert to Catholicism. Soon afterwards he entered the civil service of the Holy Roman Empire, and was appointed as a "state adviser" in the Imperial Court. In 1726 Moser returned to Stuttgart as a government advisor. In 1727 he was appointed professor at the Tübingen Collegium. The work brought him into conflict with the government's censors, and he quit both his job as professor and his job as government advisor in 1732. He later held a long series of administrative appointments, giving him a thorough knowledge of political and constitutional issues. In 1736 he was called to head the Faculty of Law at the University of