On April 3, 2015 he reported on his Facebook page that he was terminally ill with lung cancer. 19 days later, on the morning of April 22, he died in Düsseldorf aged 55.
Gennadi Aronovitch Markmann
Vitebsk, Byelorussian SSR, USSR [now Belarus]
Düsseldorf, North Rhine-Westphalia, Germany