Kant and the Problem of Metaphysics Kant and the Problem of Metaphysics Kant and the Problem of Metaphysics () is a 1929 book about Immanuel Kant by the German philosopher Martin Heidegger. It is often referred by Heidegger to simply as the "Kantbuch" ("Kantbook"). This book published as volume 3 of the "Gesamtausgabe". The book is dedicated to the memory of Max Scheler. During the 1920s Heidegger read Immanuel Kant extensively. The Kantian influence is pervasive throughout Heidegger's most celebrated and influential book, "Being and Time" (1927). The Kantbook can be seen as a supplement for the unfinished second part of "Being and Time". Additionally, during
Thomas Vaughan (philosopher) out with an alchemical collaborator, Edward Bolnest, over money matters and alleged broken promises, and the matter came to litigation after Bolnest had threatened violence. Vaughan was accused as part of this affair of spending "most of his time in the study of Naturall Philosophy and Chimicall Phisick". He is reported as having confessed that he had "long sought and long missed... the philosopher's stone." Thomas Vaughan (philosopher) Thomas Vaughan (1621 − 27 February 1666) was a Welsh philosopher and alchemist, who wrote in English. He is now remembered for his work in the field of natural magic. A Royalist