On one visit, Lebach left a piece of clothing in Einstein’s sailboat, which caused a family row and prompted Elsa’s daughter to urge her to force Einstein to end the relationship. But Elsa was afraid that her husband would refuse. He had let it be known that he believed that men and women were not naturally monogamous.14 In the end, she decided that she was better off preserving what she could of their marriage. In other respects, it suited her aspirations.15
