Being and Time of Redemption" (1921), Karl Barth's "The Epistle to the Romans" (1922), and Adolf Hitler's "Mein Kampf" (1925). Upon its publication, it was recognized as a groundbreaking philosophical work, with reviewers crediting Heidegger with "brilliance" and "genius". The book, which has been described as the "most influential version of existential philosophy", quickly became "the focus of debates and controversy". Heidegger claimed in the 1930s that commentators had attempted to show similarities between his views and those of Hegel in order to undermine the idea that "Being and Time" was an original work. In response, Heidegger maintained that his thesis that the
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