Lars Jansson (cartoonist) Sophia, worked together with him in 1993 to help manage the production of a new series of Moomin strips which Sophia now manages solely. Lars Jansson (cartoonist) Lars Fredrik Jansson (8 October 1926 Helsinki – 31 July 2000 Helsinki) was a Finnish author and cartoonist. A native of Helsinki, Jansson was the son of a sculptor, Viktor Jansson, and a Swedish-born illustrator, Signe Hammarsten-Jansson. His siblings included an older sister, writer Tove Jansson, and an older brother, photographer Per Olov Jansson. In 1958, his sister assigned to him the writing of the "Moomin" comic strip, which he drew from 1961
Tove Jansson her father, Viktor Jansson, was a sculptor, and her mother, Signe Hammarsten-Jansson, was a Swedish-born graphic designer and illustrator. Tove's siblings also became artists: Per Olov Jansson became a photographer and Lars Jansson an author and cartoonist. Whilst their home was in Helsinki, the family spent many of their summers in a rented cottage on an island near Borgå, 50 km east of Helsinki. Jansson studied at University College of Arts, Crafts and Design, in Stockholm in 1930–33, the Graphic School of the Finnish Academy of Fine Arts in 1933–1937, and finally at L'École d'Adrien Holy and L'École des Beaux-Arts