Being and Time of Heidegger's early career, but he produced other important works from this period: Although Heidegger did not complete the project outlined in "Being and Time", later works explicitly addressed the themes and concepts of "Being and Time". Most important among the works which do so are the following: "Being and Time" has been seen as a product of the crisis of German culture following Germany's defeat in World War I, and has been compared in this respect to works such as Ernst Bloch's "The Spirit of Utopia" (1918), Oswald Spengler's "The Decline of the West" (1918), Franz Rosenzweig's "The Star
Philosopher in Meditation and titling it "Philosopher in Contemplation" or "Philosopher with an Open Book". Yet the real credit for the attribution to Koninck should go to John C. Van Dyke, who wrote: "In fact, one may be heretical enough to think that someone like Koninck or Dou may have painted them..." The subject matter and details of the Koninck picture seem to have been directly inspired by a Rembrandt etching dated 1642 and representing "St. Jerome in a dark chamber" (Bartsch 105), which is the only other known work by Rembrandt that features a complete helical staircase. The traditional iconography of the