Born in Parammaribo, Suriname (1939), educated in the Netherlands, Switzerland and Germany. He is a Master in Fine-Arts by the Art Academy of Hamburg (1964). Gebhardt is a minimalist art by excellence since the 70’s, making artworks in many medias, such as marble, boulders, stell, wood, aluminum and paper. He participated of many group shows with coevals of that time, such as Agnes Martin, Brice Marden, Carl André, Donald Judd, Richard Serra, Sol Lewitt, and others.
He is best know for his monolithic sculptures made between 1970-1980, that explore the concept of the linear void, and for large-scale public pieces (ex. Wave Hill and Storm King in New York). He developed a series of mask in exploration of the identity and collaborated with artists of other disciplines, including at the multimedia piece “The Only Tribe” at the Art & Technology Center 3LD in New York (2008).
In 2014 he presented the work “Trophies”, which is a unic collaboration between sculpture, dance and music that explores issues of identity and transformation from the living, at the Erie Art Museum in Erie, Pennsylvania. He has been participant of community activities, specially ones related to the preservation of the city, to planning and architecture, mainly in New York. For many years he was dedicated to the Design. He participated in projects in the United States, Europe and Japan. He has never stopped his authorial production as an artist, but ceased showing them for more than 03 decades. In the last few years he started developed a series of tridimensional drawings in paper and sculptures in corten steel, aluminum and zinc, withholding his minimalistic and conceptual sculpture tradition.