Background
Mendelssohn was born as the only son of Amschel and his wife Elvira in Jerusalem.
Mendelssohn was born as the only son of Amschel and his wife Elvira in Jerusalem.
In 1943 the Mendelssohns" emigrated to Liechtenstein and in 1945 to Munich, Germany. There Mendelssohn joined the University and earned a doctorate in 1965 in Political Science as Doctor disc. policy They have five children: Maximilian (* 1967), Sebastian (* 1968), Rahel (* 1970), Daniel (* 1971) and Ariane (* 1971).
Marianne also died in childbirth in 1997.
Mendelssohn lived in Ludwigshafen (1966–1975) and in Landau (since 1975). Mendelssohn wrote many essays about the political situation in Germany between 1964 to 1985 and also to the German reunification in 1990.
Today Mendelssohn is known as one of the most notable political scientists in Europe in the post-war time. He held this office for a second and a third time in 1983 and 1985.
Since 1968 Mendelssohn had been a teacher on a Realschule in Landau.
He gave lessons in politics, English and German. Since 1973 he was also the principal of this school. He reformed the didactics in politics in school.
In 1999 Mendelssohn held his last lesson as teacher.
Mendelssohn was also politically active: He was a member of the city council of Ludwigshafen and from 1975 till 1977 he was Government Commissioner for Education and Youth for the district of Rheinhessen-Pfalz (Regierungskommissar für Bildung und Jugend für den Regierungsbezirk Rheinhessen-Pfalz) of Rhineland-Palatinate. Official Mendelssohn joined no party, but he sympathised with the Freie Demokratische Partei (Free Democratic Party).