Hertha Töpper
19 April 1924 - 28 March 2020
https://www.gramophone.co.uk/classical-music-news/article/the-contralto-hertha-topper-has-died
19 April 1924 - 28 March 2020
https://www.gramophone.co.uk/classical-music-news/article/the-contralto-hertha-topper-has-died