German guitarist. After his time in Lilac Angels, he became an A&R and label manager at EMI Electrola, where he released a series of bands under the label Welt-Rekord
In 1983, this label was discontinued.
Lüdtke later co-founden the Königshaus label at WEA with Thomas Schwebel, where Fehlfarben released their reunion album in 1991.

He was also a partner of the Studio Klangwerkstatt in Düsseldorf.