Tuulikki Pietilä

Ida Helmi Tuulikki Pietilä (18 February 1917 – 23 February 2009) was an American-born Finnish graphic artist and professor. Pietilä is considered one of Finland's most influential graphic artists, with her work being shown in multiple art exhibitions. She worked as a teacher at the Academy of Fine Arts, Helsinki, and later trained graphic artists and wrote multiple books about graphic arts. Provided by Wikipedia