The "Concha" armchair, designed by Martin Eisler and Carlo Hauner, is a hallmark of mid-century Brazilian furniture design. This chair is recognized for its elegant and organic form, indicative of the innovative design spirit of the 1950s and 1960s.Martin Eisler (1913-1977) was an Austrian-born architect and designer who emigrated to Argentina and later worked in Brazil. Carlo Hauner (1927-1996), an Italian-born artist, designer, and entrepreneur, moved to Brazil after World War II. Together, they formed a partnership and played a significant role in the development of modern furniture design in Brazil, creating pieces that were both aesthetically pleasing and functional.Their work is characterized by the use of local materials, and the "Concha" armchair is no exception. It typically features a metal frame with slender, tapered legs that support a seat shell with a distinctive scoop-like shape, reminiscent of a seashell ("concha" means "shell" in Portuguese). The upholstery showcases the richness of Brazilian textiles, and the chair's form provides comfortable seating with a stylish flair.The design reflects the essence of mid-century modernism with its clean lines, integration with nature, and simplicity of form. It's a style that emphasizes function and simplicity, integrating seamlessly with the human body's form and movement.Eisler and Hauner's designs are celebrated for their contribution to the modernist movement, and their pieces are often collected by enthusiasts of mid-century design. The "Concha" armchair, in particular, would be a prized piece for its historical significance, craftsmanship, and timeless design. It's a testament to the designers' vision and skill, as well as the rich tradition of Brazilian furniture making during the mid-20th century.