(August 3, 1949 - living) Switzerland
Born in Basel, he now lives in Bern and Berlin, where he works as a freelance writer. He has published a number of novels and stories for which he has received many awards.
His novels Grünsee (Green sea - 1978) and Brachland (1980) made him famous instantly and are now part of the German-speaking literature canon. In 2003, Ammann published Christoph Geiser's latest novel Über Wasser.
Christoph Geiser explores the presence of the past in gay life today. Das geheime Fieber (Secret Fever - 1987) is a novel about a man who becomes obsessed with the painter Caravaggio. In Das Gefängnis der Wünsche (The Prison of Wishes - 1992), the German poet Goethe and the Marquis de Sade return to life in present-day Berlin.