Although he has long been known primarily as the object of Soren Kierkegaard's disdain, Hans Lassen Martensen (1808-1884) was a celebrated figure in his own time. Recognized as a brilliant scholar and highly successful churchman, Martensen worked in a number of different areas of theology and philosophy, producing an impressive literary corpus over a period of several decades. His authorship is remarkably varied, including philosophical treatises, theological tracts, sermons, eulogies, book and theater reviews, as well as polemical and occasional pieces. During his lifetime, he saw his works translated into German, Swedish, English, French, Hungarian, and Dutch. These works were widely read and frequently reprinted in numerous editions. It is unfortunate that - to international research - Martensen was known for many years only as a central figure in Kierkegaard's attack on the Danish State Church. In the past few decades, there has been a renewed appreciation for Martensen as an impor