Egon Spengler a room for hours and gradually raising the temperature. A positive test involved a girl in a room with dozens of stuffed animals and a puppy. He was the first person Dana Barrett contacted when her baby carriage took off by itself. Egon recommended bringing in Ray, and they both performed a physical exam on Dana's son Oscar. Egon, along with Peter and Ray were later arrested after digging a large hole under First Avenue as part of their paranormal investigations to help Dana. During the course of their trial they were found guilty of willful destruction of public property,
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