Ju] rgen G. Backhaus 1 Johann Heinrich Gottlob (von) Justi was born in 1702 in Bru] cken in Prussia (county of Sangerhausen), studied law and cameral sciences in Wittenberg and Jena, yet had to leave the university, entered the Prussian military service, was captured during the Austrian war of succession by the Austrians but escaped to Leipzig (Saxony) where he studied mineral sciences. In 1750 he was called to a chair Cameral Sciences and Rhetorics at the new Theresian Academy of Knights in Vienna. There, he gave two important inaugural lectures which are the focal point of this book. In...