Geiser was born in Zurich and worked as a painter, graphic artist and restorer. In the 1930s he assisted Arnold Heim in the production of reliefs and under his direction created a relief of the Swiss National Park.

[1] This article bases on Mair, Toni. Grieder, Susanne. Das Landschaftsrelief – Symbiose von Wissenschaft und Kunsthandwerk. Mit Schweizer Reliefkatalog. Verlag hier+jetzt. Baden, Schweiz. 2006. S.157.