He died of heart failure on 31 July 1993 in the Villa Astrida in Motril, in the south of Spain.
Lebeck became well known in 1960 after his report on the independence of the Congo "Afrika im Jahre Null" ("Africa in Year Zero") which included a photograph of an African boy, Ambroise Boimbo, standing beside the steel scabbard of Belgian King Baudouin.
Belgium | Belgium national football team | Leopold II of Belgium | Albert II of Belgium | Leopold I of Belgium | Albert I of Belgium | Monarchy of Belgium | Leopold III of Belgium | Nieuwpoort, Belgium | French Community of Belgium | Waterloo, Belgium | Royal Museums of Fine Arts of Belgium | Belgium, Wisconsin | Spa, Belgium | Rochefort, Belgium | Queen Paola of Belgium | Order of Leopold (Belgium) | Halle, Belgium | Aalst, Belgium | Tour of Belgium | Parti Socialiste (Belgium) | National Railway Company of Belgium | National Bank of Belgium | Lier, Belgium | King Baudouin Foundation | German occupation of Belgium during World War II | Demographics of Belgium | Canvas (Belgium) | Royal Observatory of Belgium | Queen Fabiola of Belgium |
The title was created by King Baudouin for Pierre Harmel, who was a well-known Belgian lawyer, politician and diplomat, and served for eight months as Prime Minister of Belgium.