Formland

In 1969–70 Danish designers Sidse Werner and Leif Alring unveiled their Formland lamp series at Fog & Mørup’s Amagertorv showroom. Avid parachutists, they translated parachute forms into the lamps’ silhouettes. For the launch they even had a one-off made in silver, gilded inside, weighing about 2.5 kg and valued at about 10,000 kroner (≈ €1,339 at today’s DKK→EUR rate).
The same profile also appeared at the festivities as red glass tumblers with a matte white plastic “cap,” and the series was shown at the May furniture fair in Copenhagen; at the time their studio was at Kattesundet 12.

Construction & light quality
Formland combined a lacquered metal body (in white, red, turquoise, yellow) with a domed diffuser in butyrate (cellulose acetate butyrate). The material choice was explicitly highlighted in period coverage as enabling a light-transmitting, non-dazzling top—allowing you to see the filament without glare.

Art-direction & marketing
The parachuting motif used for the launch tied directly to the designers’ (and Fog & Mørup design chief Jo Hammerborg’s) airborne interests; later commentary based on family correspondence notes Hammerborg’s close involvement with the project and his role as pilot in the campaign imagery.

Materials note (butyrate)
Period sources describe butyrate’s optical clarity, toughness and UV resistance as reasons for its use in lighting diffusers of the era—matching the Formland brief for soft, glare-free illumination.

Fog & Mørup Formland Table Lamp – 1970 Catalogue Picture

Promotion for this lamp series at the parachute jumpers flying club of the designers.

Sidse Werner (1931–1989)

Danish architect–industrial designer trained in Copenhagen (School of Architecture & Industrial Design); worked several years in Nanna Ditzel’s studio before opening her own office in 1970. In 1969 she received the Danish National Bank’s Jubilee grant to study plastics in the USA, which fed into her later work across furniture, textiles, glass and lighting. Notable pieces include the Coat Tree and Series 9 umbrella stand for Fritz Hansen, glass and lighting for Holmegaard (e.g., “Troll 1” table lamp, late 1970s–80s), and—with Leif Alring—the Formland lighting series for Fog & Mørup (c. 1969–70). Her work was exhibited internationally (London, Paris, New York, San Francisco, Tokyo, etc.)

Leif Alring

Danish designer/architect active from the mid-1960s into the 1970s. Worked across furniture, interiors and objects: Modula System unit furniture for PH Møbler (advertised 1966); a folding bar cabinet for C.F. Christensen (1964); co-designed the Formland lamps with Sidse Werner for Fog & Mørup (c. 1969–70). He also appears in Danish press for interior/discotheque commissions and designed the steel trophy sculpture for the Anders Bording Prize.

Butyrate

Butyrate plastics, most commonly Cellulose Acetate Butyrate (CAB), are a type of thermoplastic derived from natural cellulose that is known for its clarity, impact resistance, and weather resistance. They are used in a wide range of applications, including lighting, signage, packaging, and medical devices due to their toughness, high gloss, and ability to be thermoformed. Butyrate plastics are transparent with a high gloss, making them ideal for applications that require optical clarity, such as back-lit signs. It provides UV stabilization, which is important for outdoor applications to prevent degradation from sunlight.

Fog & Mørup Formland Table Lamp – Promo Picture

The two designers with Jo Hammerborg behind the controls of the plane to promote their Formland lamp series.

Jo Hammerborg

Johannes (Jo) Hammerborg was born on 4 February 1920 in Randers, Denmark. He grew up in a middle-class family, trained as a silversmith in the early 1940s, and during the German occupation took part in the Danish resistance movement as a saboteur. In 1944 he enrolled at the Royal Danish Academy of Fine Arts in Copenhagen, and in 1949 he began working as a silversmith at Georg Jensen.

In 1957 Hammerborg became head of design at Fog & Mørup, a position he held until 1980. Under his direction, the company experienced its most successful period, both artistically and commercially. He reshaped the visual identity of Fog & Mørup with a modern, highly disciplined design language and strict attention to detail, not only in the lamps themselves, but also in packaging, labelling and presentation.

Hammerborg designed approximately 180 lamps for Fog & Mørup. The first years of his tenure were especially productive: between 1957 and 1963, 24 of those designs were already put into production. His work is characterised by clarity, balance and a strong sense of proportion, qualities often linked to his background as a silversmith.

Outside his work as a designer, Hammerborg was an enthusiastic sportsman, pilot and parachutist. He died on 23 July 1982, aged 62, in a parachuting accident on Bornholm.

Fog & Mørup Formland Table Lamp – 1970 Catalogue Picture

Promotion for this lamp series, probably also at the parachute jumpers flying club of the designers.

Fog & Mørup Formland Table Lamp – 1970 Catalogue Picture

Catalogue image of a table lamp, a big floor lamp and a pendant lamp, all in yellow.

Fog & Mørup Formland Table Lamp – 1970 Catalogue Picture

Black & white advertisement.