Expandable Dining Table in Caviuna by Carlo Hauner and Martin Eisler, circa 1955

Martin Eisler was an influential figure in mid-century modern furniture design, particularly within the Brazilian design movement. Born in Vienna, Austria, in 1913, Eisler was part of a generation of European architects and designers whose work and lives were profoundly affected by the upheaval of the Second World War. His father was the art historian Max Eisler, a founding member of the Austrian Werkbund, which likely influenced Eisler's early exposure to design and architecture.

It was in Brazil that Eisler's design sensibilities fully blossomed. He met Carlo Hauner, with whom he would form a formidable partnership, founding the iconic Brazilian furniture company Forma. Their designs are celebrated for integrating Brazilian materials and craftsmanship with modernist design principles, creating furniture that was both accessible and aesthetically sophisticated.

Eisler's furniture designs, such as the Reversível and Costela chairs, are lauded for their innovative use of materials and form. His work often featured Brazilian woods and thin tubular frames, showcasing a finesse in blending structure with visual lightness. The collaboration between Eisler and Hauner was marked by a shared vision that helped define Brazilian mid-century modern design, making it distinctive and sought after globally.

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(Biography provided by Herança Cultural)

Forma began in São Paulo, under the leadership of Italian designer Carlo Hauner and Austrian architect and interior designer Martin Eisler. Hauner studied drawing and technical drawing at the Brera Academy in Milan. After participating in the Venice Biennale, he emigrated to São Paulo, where he established the furniture manufacturer Móveis Artesanal, for which Carlo and Martin — as well as Carlo’s brother Ernesto Hauner — would create a range of pieces for the home.

In 1936, Eisler earned a degree in architecture from the Academy of Fine Arts in Vienna, where he studied under Oskar Strnad and Clemens Holzmeister. With World War II looming, he left Austria immediately after graduating. He first went to Czechoslovakia, to which some of his family had already fled. In 1938, he moved to Buenos Aires, Argentina, and opened his interior design firm Interieur Forma.

Eisler relocated to Brazil in the early 1950s, where he met Hauner. At the time, Eisler had been looking for help producing furniture for his brother-in-law, Ernesto Wolf, and contacted Hauner. The two found that they had a shared vision, and with financial help from Wolf, they opened Galeria Artesanal as a storefront for Móveis Artesanal.

Looking to expand into international sales, the duo rebranded the company Forma. Sérgio Rodrigues, who helped launch a branch of Artesanal in Curitiba, was put in charge of interiors at Forma. That company soon became one of the biggest names in Brazilian furniture — it sold its own sculptural rattan lounge chairs, bookcases and other case pieces crafted with rosewood or jacaranda, and Forma was eventually distributing furniture licensed from iconic American manufacturer Knoll, thereby bringing works by noted designers such as Ludwig Mies van der Rohe, Charles Eames and Harry Bertoia to the Brazilian market.

Forma stands at the forefront of a revival of Brazilian modern furniture. Fashioned from high-grade regionally sourced hardwoods, leather and iron, even Forma's earliest creations have stood the test of time. The company’s alluring mid-century modern works appealed to homeowners at its peak, from the 1950s through the ’70s, and given the broadening interest in Brazilian furniture and the likes of designers such as Rodrigues, vintage Forma is making a major comeback today. 

The Forma furniture company continued producing masterfully crafted furniture into the 1970s, until Eisler's death in 1977. Forma folded soon after, but Eisler's company in Argentina, Interieur Forma, is still in business today.

On 1stDibs, find vintage Carlo Hauner and Martin Eisler furniture for sale.