Friedrich Gräsel, born 1926 in Bochum and died 2013 in Osnabruck, primarily employed industrially manufactured materials and construction elements, creating autonomous sculptural compositions from prefabricated steel profiles and tubular forms. His monumental public tube sculptures interact strongly with architecture, landscape, and viewer, referencing the industrial heritage of the Ruhr region. Gräsel studied from 1952 to 1956 in Munich and Hamburg under Werner Haftmann and Ernst Wilhelm Nay. After an early period devoted to painting, he turned decisively to sculpture in 1968. His constructive, spatially oriented works established him as an important representative of German post-war sculpture, and in 1972 his work was prese...