In addition to some 80 titles for children, Ott is remembered for her play De Pokkers Unger (1945) which was filmed in 1947 as Those Blasted Kids.
Even before she matriculated from Ingrid Jespersens Skole, Copenhagen, she had begun to gain experience as a professional writer.
She had already published two children's books in 1917 and while at school she contributed articles of interest to young people to the newspaper Politiken.
[1][3] On graduating from high school, she served an apprenticeship with the paper Vestjyllands Folkeblad before joining Berlingske Tidende as a foreign correspondent.
[1] In October 1922, she married the wealthy businessman John Knox Seith (1894–1959) who for a time worked for the Danish East Asiatic Company.