In 1959, Otto Frank took legal action in Lübeck against Lothar Stielau, a school teacher and former Hitler Youth member who published a school paper that described the diary as "a forgery". The complaint was extended to include Heinrich Buddegerg, who wrote a letter in support of Stielau, which was published in a Lübeck newspaper. The court examined the diary in 1960 and authenticated the handwriting as matching that in letters known to have been written by Anne Frank. They declared the diary to be genuine. Stielau recanted his earlier statement, and Otto Frank did not pursue the case any further.