Signe Hammarsten-Jansson Hammarsten-Jansson designed over 200 stamps. The couple had three children in total: Tove Jansson, Lars Jansson and Per Olov Jansson. Born to artistic parents, the children grew up in a Bohemian lifestyle, and all became artists in their own right. Tove became a writer and painter and would gain particular fame for her "Moomin" series. Lars became a cartoonist, ultimately becoming responsible for the "Moomin" comic strips as well as a later animated version. Per Olov became a photographer and collaborated with Tove on a few books. The children were directly influenced by their mother's artistic sensibilities and Tove in
Jansson C language cross platform (including Unix, and Windows) package capable of encoding, decoding and manipulating JSON data Jansson Jansson is a Swedish patronymic surname, meaning "son of Jan", derived from Johannes, a cognate of John. There are alternate Belgian, German, Dutch, Danish, Latvian and Norwegian spellings. Jansson is rare as a given name. As of 2014, 86.2% of all known bearers of the surname "Jansson" were residents of Sweden, 5.1% of Finland, 2.9% of the United States and 1.7% of Norway. In Sweden, the frequency of the surname was higher than national average (1:199) in the following counties: In Finland,