Maria Wagensonner-Schipper (13 March 1897 – 21 August 1970), best known as Mimi Wagensonner, was an Austrian composer and poet. Wagensonner was born in Aussig an der Elbe in what is now the Czech Republic to Franz Schipper and Maria Stangl Schipper. She had one brother and one sister. The family moved to Vienna during her childhood. She married Josef Wagensonner in 1923. She had one son (Diether) and one stepson (Hermann). Wagensonner studied piano with A. Subak and Mannheimer; harmony with Richard Stohr; and composition with Karl Weigl at the New Vienna Conservatory. She also studied and taug