Ulrica Hydman-Vallien is one of Sweden’s leading glass artists who specialized in stained glass and decorative painting. In Sweden, she became best known for her vases with motifs of sinuous snakes, tulips and wolves.. She made her debut as a glass-artist in 1972. As a protest against the conservative artist world she create the "rat bowl". After her art studies at ”Konstfack” in Stockholm, she worked for the Kosta Boda glassworks for more than 40 years. Ulrica became a prominent designer of glass vases, bowls and sculptures with colorful expressions. Hydman Vallien was one of only 50 artists chosen to work with British Airways to create designs for aircraft tails, napkins, porcelain, tickets and stationery for the fleet. She also took part in the Swedish National Museum exhibition Unga tecknare 1964–1966.