Diepgen grew partly on in Berlin- fresh spring, at that time still belonged to the district of Wedding. Here he lived from the age of ten to study in the Atlantic Garden City. After his graduation in 1960 Diepgen began studying law at the Free University of Berlin ( FU), where he obtained his first state examination in 1967. He joined The ensuing legal training in 1972 with the second legal state examination. As a student Diepgen was in early 1963 for seventeen days student council president, to publicly was that he is a member of the fraternity Saravia to Berlin, one of those dueling fraternities, which were forbidden by the University Constitution until 1958 at the Free University of Berlin and only after judgment the Federal Administrative Court has been approved. On February 15, 1963 Eberhard Diepgen was voted out during a student strike vote at the Free University of Berlin as chairman of the student council. Two years later, he was still elected as deputy chairman of the then student union umbrella organization VDS. Diepgen founded with friends from the time of his law studies a group that is one of the heads, Peter Kittel man called relative K- group. This circle also included Klaus -Rüdiger Landowski, Heinrich Lummer, Peter Radunski, Gero penny Wighard Härdtl and later Member of Parliament Dankward Buwitt.
Since his studies at the Law Faculty of the University of Berlin Diepgen is closely acquainted with Klaus -Rüdiger Landowski, who later became Presidents and the "gray eminence" of the CDU in parliament during Diepgen citizens championship.
Diepgen is a member of the CDU since 1962. In 1971 he became a member of the executive committee and in 1983, for a total of 19 years state chairman of the CDU in Berlin. The officers of the Federation, he also belonged to several times. In 1971 he was first elected to the Berlin House of Representatives, where he served until 2001. From 1980 until his election as mayor in 1984 and from 1989 to 1991 he was Chairman of the CDU faction there. In 1980 he was elected to the German Bundestag, resigned his seat but already down on February 3, 1981.
He lives with his wife Monika in Berlin- Wilmersdorf and has been a lawyer. Diepgen has a son and a daughter, both are of legal age.
Diepgen is grandson of the medical historian Paul Diepgen; 15 years younger local politician Martin Diepgen is his half brother.
Diepgen as Mayor
On 9 February 1984 Eberhard Diepgen was the successor of Richard von Weizsäcker, who ran for the office of president, elected Governing Mayor of Berlin. Within the Berlin CDU Diepgen had previously enforced against the opposing candidate Hanna- Renate Laurien.
In the elections for the House of Representatives in 1985, the CDU was under his leadership despite a slight loss ( 46.4 % of the vote, -1.6 percentage points) clearly assert itself as the strongest party. Diepgen was competing against the long-standing federal finance and defense minister Hans Apel.
As part of the so-called " Antes Affair " 1985/86, it was revealed that Diepgen had received at least 75,000 mark as " gift " from the builder Kurt Franke. On its donor list numerous individuals were from the Berlin politics and administration.
In the 1989 elections, the CDU suffered losses of 8.7 percent. In addition, since failed his coalition partner, the FDP at the five - percent hurdle, he had the benefit of Walter Momper, who made a red-green Senate, resign from office.
After the first overall Berlin elections on 2 December 1990, the CDU was clearly the strongest faction again. Diepgen was elected on January 24, 1991 by a grand coalition of CDU and SPD back to the Governing Mayor of Berlin.
After the elections in 1995 and 1999, he was re-elected respectively as head of a grand coalition, in which Diepgen 1995 despite their own loss of votes against Ingrid Stahmer and 1999 could claim again against Walter Momper itself.
In 1999 Diepgen also the Justice Department, as the coalition parties could not agree on the number of cabinet posts. The lack of independence of the department was criticized by judges, prosecutor and lawyer associations.
After the banking scandal occurred in the early summer of 2001 to break the grand coalition. On 16 June 2001 Diepgen eventually was voted out by a vote of no confidence by the votes of the SPD, PDS and Alliance 90/The Greens. His successor the SPD chairman Klaus Wowereit was elected.
Diepgen was a total of 15 years and five months mayor and thus the longest-serving mayor of the city's history. In his "Government break " from 1989 to 1991, the phase fell from the Fall of the Wall ( 9 November 1989) to reunification ( 3 October 1990) - in these almost two years, he had the office of the city head of his SPD rivals Momper left. In addition Diepgen not then half a year after Diepgen again leaving (November 1, 2001) made it to the office of President of the Bundesrat, as the country Berlin held the Federal Presidency also Momper term (1 November 1989 to 31 October 1990), again to take over.
The period after the Civil Championship
For early federal election in October 2001 Diepgen renounced both a renewed top candidate as well as his candidacy for a seat in the House of Representatives. Top candidate was Frank Steffelbauer. In 2002, he also was from the office of state chairman of the CDU in Berlin to the former Senator of Culture Christoph Stölzl after Diepgen was denied by his own party the list first place for the 2002 elections.
He was active until the end of 2011 as a lawyer in an international law firm for business law. In 2004, the Berlin CDU chose him an honorary chairman.
In the elections to the 16th German Bundestag 2005 Eberhard Diepgen ran as a candidate in the constituency Direct Berlin- Neukölln, but lost his rival candidate of the SPD, Ditmar Staffelt. At a list place he had voluntarily surrendered after the experience in 2002.
In October 2007 he was awarded the recommendation of its successor, the Governing Mayor of Berlin, Klaus Wowereit, the Order of Merit of the State of Berlin.
His position as Honorary Chairman of the CDU in Berlin uses Diepgen regularly, to engage with his party, such as when deselecting Fried Pflüger as parliamentary leader, the election of his former office manager Frank Henkel and quarrels about Ingo Schmitt as state chairman in September, 2008.
- Eberhard Diepgen is deputy chairman of the Association Against Forgetting - For Democracy.
- Grand Cross of the Order of Merit of the Italian Republic (1986 )
- Grand Cross of the Order of Infante Dom Henrique (1989 )
- Great Federal Cross of Merit (1987 ) with star (1994 )
- Grand Gold Medal with Ribbon for Services to the Republic of Austria (1993 )
- Honorary Knight Commander of the Order of the British Empire (1994 )
- Order of Merit (1998)
- Order of Marie - country Cross ( Second Class ) (2000 )
- Merit of the State of Berlin ( 2007)
- Commander of the Order of Merit of the Republic of Hungary ( 2011)
- Senate Diepgen I - Senate Diepgen II - III Diepgen Senate - Senate Diepgen IV - Senate Diepgen V
- Between the powers. Q Edition, Berlin 2004, ISBN 3-86124-582-5
- Mondo di notte - world without shame
- Michael Sontheimer and Jochen platforms: Antes & Co. Stories from the Berlin swamp. Red Book Verlag, Berlin, 1986, ISBN 3-88022-324-6
- Mathew D. Rose: An honorable society. Transit Verlag, Berlin 2003, ISBN 3-88747-179-2
- Mathew D. Rose: Berlin. Capital of felt and corruption. Transit Verlag, Berlin 1999, ISBN 3-426-26930-9
- Mathew D. Rose: Waiting for the Flood. About cliques, self-service and the rampant debt of the public sector, with particular consideration of our capital. Transit Verlag, Berlin 2004, ISBN 3-88747-196-2