Tove Jansson in exhibitions during the 1930s and early 1940s, and her first solo exhibition was held in 1943. Despite generally positive reviews, criticism induced Jansson to refine her style such that in her 1955 solo exhibition her style had become less overloaded in terms of detail and content. Between 1960 and 1970 Jansson held five more solo exhibitions. Jansson also created a series of commissioned murals and public works throughout her career, which may still be viewed in their original locations. These works of Jansson's included: In addition to providing the illustrations for her own Moomin books, Jansson also illustrated Swedish
Finnish name share the same surname. All persons have the right to change their surname once without any specific reason. A surname that is un-Finnish, contrary to the usages of the Swedish or Finnish languages, or in use by any person resident in Finland cannot be accepted as the new name, unless valid family reasons or religious or national customs give a reason for waiving this requirement. However, persons may change their surname to any surname that has ever been used by their ancestors, if they can prove such claim. Surnames behave like regular words when forming grammatical cases. Thus, for example,