Fritz’s “grandfather on his mother’s side Julius Heymann, a mill owner who became vice-president of the Breslau Chamber of Commerce. So his mother Hedwig Johanna Heymann (1856–1938) was also from Breslau. She was beau- tiful and loved nature, a woman who liked to observe and ask questions but was sparing of words. From her Fritz learned to observe and listen, and to be chivalrous to women.”1361