Cay Diedrich Lienau

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Senator Dr. Cay Dietrich Lienau
Lübeck charity delegation to the staff of the replacement brigade 81 : (from left to right) Lt. Meier (adjutant), Senator Lienau , Gen.-Lt. Melior , Rud. Köhn, Major Schaumann , Oberltn. Lorenz
Lienau's residential building on Roeckstrasse

Cay Diedrich Lienau (born August 26, 1867 in Lübeck ; † April 14, 1953 there ) was a German lawyer and police senator for the Hanseatic city of Lübeck.


Lienau came from a long-established merchant family and was the son of Cay Dietrich Lienau . He attended the 1880 Progymnasium of Otto Bussenius and then through high school Easter 1886 Katharineum . From 1886 to 1889 he studied law at the Albert Ludwig University of Freiburg , the University of Leipzig and the Friedrich Wilhelms University of Berlin . He made 1889 the state examination in the Court of Appeal and a doctorate in Leipzig for Dr. iur.

In 1889/90 he was a one-year volunteer with the infantry regiment "Graf Bose" (1st Thuringian) No. 31 , which for the IX. Army Corps (German Empire) belonged.

Until 1895 he was a trainee lawyer at the Higher Regional Court in Kiel , took his assessor exam in Berlin and immediately started working as an assistant judge at the Lübeck District Court . On August 1, 1895, he was appointed public prosecutor . The Senate of Lübeck appointed him on March 15, 1902 as district judge .

In 1905 he was elected to the citizenry and was a member of the citizens' committee from 1906 . On September 9, 1908, he was appointed Senator of the Hanseatic City . From 1908 to 1917 he was deputy head of the city until he left the Senate in 1919. He held the office of chairman of the health council, the authority for housing maintenance, the factory and penitentiary and the authority for fire extinguishing. He was also a member of the Justice Commission, the Disciplinary Court for Civil Servants, the Customs Commission, the City and Land Office, the Works Authority and the Council of Churches . As a senator responsible for security and order, he was a member of the Senate under the mayor of Lübeck, Emil Ferdinand Fehling , who was the only state government in the German Reich to survive the November Revolution of 1918 and to remain in office. On September 3, 1919, Lienau declared his resignation from the Senate on the basis of a resolution that the Citizens Committee took when criticizing the events of June 14.

After leaving the Senate, Lienau initially resumed his judicial work at the Lübeck Regional Court and was appointed First Public Prosecutor in Lübeck in 1921 . He later held this office as chief public prosecutor until October 1, 1933. The sensational Calmette trial fell in the last time he was in office as chief prosecutor .

After the death of Johann Martin Andreas Neumann in April 1928, Lienau was elected chairman of the church council of the Evangelical Lutheran Church in Lübeck ; His term of office, which was actually intended for 12 years, ended when the German Christians came to power in the summer of 1933.

Cay Diedrich Lienau was from 1900 to 1906 he was secretary of the Society for the Promotion of Charitable Activities and from 1915 to 1918 its director. During his tenure, the St. Anne's Museum was opened in 1915, which was operated by the company with the other Lübeck Museums for Cultural History until their nationalization in 1934. Before his death in 1920, his uncle Robert Emil Lienau appointed him executor of his estate and his music publisher .


  • Emil Ferdinand Fehling : Lübeck Council Line . Lübeck 1925, No. 1034.
  • Georg Behrens: 175 years of charitable work . Lübeck 1964.
  • Henning von Beust and Heye Heyen (eds.): Calmette indictment in full / The indictment speeches from Lienau. According to shorthand records, Albrecht & Vorkamp, ​​Lübeck 1932.
  • Karl-Ernst Sinner: Tradition and Progress. Senate and Mayor of the Hanseatic City of Lübeck 1918-2007 , Volume 46 of Series B of the Publications on the History of the Hanseatic City of Lübeck published by the Archives of the Hanseatic City of Lübeck , Lübeck 2008, p. 164


  • City Papers ; Lübeck, September 14, 1919, article: Senator Dr. Cay Dietrich Lienau

supporting documents

  1. ^ Hermann Genzken: The Abitur graduates of the Katharineum in Lübeck (grammar school and secondary school) from Easter 1807 to 1907. Borchers, Lübeck 1907. (Supplement to the school program 1907), No. 874.
  2. Father-city sheets ; Lübeck, September 14, 1919, article: Senator Dr. Cay Dietrich Lienau
  3. Georg Behrens: 175 years of charitable work . Lübeck 1964, p. 143 (list of directors)
  4. Georg Behrens: 175 years of charitable work . Lübeck 1964, pp. 82-92.

Web links

Commons : Cay Diedrich Lienau  - Collection of images, videos and audio files