He made deeply cut crystal objects that were often coloured. He used a lot of nature subjects. The most famous is “Lumpeenkukka”. This glass object, designed by Okkolin in 1960, was Riihimäki Lasi’s best-selling single object. Okkolini’s glassware was presented to several foreign heads of state. He continued working for Riihimäki Glass until 1976 when glassblowing by hand was stopped. After that, he worked as a freelance designer. He was granted a state artist’s pension in 1980.
Alfredo Barbini, a descendant of glassmakers from the early 15th century, studied at Abate Zanetti (design school at Murano glass museum) from age ten; in 1930, began studying at Cristalleria, Murano, becoming a maestro; became primo maestro at Martinuzzi and Zecchin; worked with Cenedese in the late 1940s
He began his work as an instrument builder for the Bacharach Instrument Company in Pittsburgh. He then moved on to Owens-Illinois Glass Company, where he developed a lifetime interest in glass. He established small laboratories to create new glass batches and fabricate small glass objects while in command of the Owens-Illinois Glass Company milk-bottle plant.
Between 1939-42 and 1946-47, he studied at the University of Michigan, Ann Arbor, Michigan, receiving a bachelor’s degree in design. In 1941 and 1949-51, he studied Cranbrook Academy of Art, Bloomfield Hills, Michigan, receiving a master’s degree in ceramics. In 1945, he was a student at the Brighton School of Art, Brighton, under Nora Braden’s tutelage.
Motzfeldt is best known for her glass creations. Her work is on show at the National Museum of Art, Architecture, and Design in Oslo, the Victoria and Albert Museum in London, the Kunstindustrimuseum in Copenhagen, the Nationalmuseum in Stockholm, and the Frauenau Glass Museum in Germany (donation Wolfgang Kermer).