Egon Spengler exhausting trek up the stairs of 55 Central Park West. While in the alternate dimension of the library, Egon is heard to groan, "Oh no," and when Ray asks if he saw something scary, Egon replies, "Stairs, lots of stairs". Before the "Return to Sedgewick Hotel" mission, Stantz comments that Spengler was once a coroner, to which he replied that he maintains interest in the subject as a hobby. Spengler appears in Beeline's "Ghostbusters" game for iOS alongside his niece, Michelle Ying. The game was released on January 24, 2013. Spengler appears in "Lego Dimensions", with archival audio of Harold
Hans Egon Holthusen correspondence (encompassing more than five thousand letters), genealogical records, and a photographic archive) are preserved at the Library of the University of Hildesheim (Universitätsbibliothek Hildesheim) in Lower Saxony (‘The Papers of Hans Egon Holthusen’ — "Nachlass Hans Egon Holthusen"). The Library of Congress in Washington, D.C., holds a sound recording of the lecture on post-war German literature, entitled ‘Crossing the Zero Point’, which he delivered in the Coolidge Auditorium of the Library of Congress on January 25, 1960 (and which he begins by mentioning ‘the German catastrophe of 1945’, "not" that of 1933). Hans Egon Holthusen Hans Egon Holthusen (April