All evidence about Einstein’s daughter was carefully erased. Almost every one of the letters between Einstein and Marić in the summer and fall of 1902, many of which presumably dealt with Lieserl, were destroyed. Those between Marić and her friend Helene Savić during that period were intentionally burned by Savić’s family. For the rest of their lives, even after they divorced, Einstein and his wife did all they could, with surprising success, to cover up not only the fate of their first child but her very existence.
