Career
He is currently in the Pensioners" Party 50PLUS. Nagel started his career in his twenties on Vereeniging van Arbeiders Radio Amateurs-Radio where he worked as a producer. Nagel was one of the creators of the radio-program called In de Rooie Haan. He also wrote his Tien over Rood which served as a political manifesto of the Nieuw Links within the Dutch Labour Party.
From 1977 to 1983 Nagel was a Labour Party deputy in the Dutch House of Representatives.
At Vereeniging van Arbeiders Radio Amateurs-Radio he eventually became the editor-in-chief of the Achter het Nieuws. In 2001 he established Leefbaar Nederland where he worked with Henk Westbroek, Willem van Kooten, Ton Luiting, Broos Schnetz and Pim Fortuyn.
He has also been the party chairman of Leefbaar Nederland. In 2005 there followed the Party for Justice, Action and Progress (in Dutch: Partij voor Rechtvaardigheid, Daadkracht en Vooruitgang (PRDV)) which he founded together with the former police spokesman Klaas Wilting, entrepreneur Peter C. Schouten and the party’s first lijsttrekker reporter Peter R. de Vries.
His autobiography Boven het maaiveld was published in 2001.