12.7 The End
273
Fig. 12.12 The widow Catherina Elisabeth (Elise) Kapteyn–Kalshoven in the 1930s. The
book she holds in her hands is a copy of J.C. Kapteyn; Zijn leven en werken by Henriette
Hertzsprung–Kapteyn [1]. Painting by Lizzy Ansingh (1875–1959), member of the group
of painters ‘the Amsterdamse Joffers’. Gift to the Kapteyn Astronomical Institute by
great-granddaughter Wilhelmina Henriette de Zwaan-Kaars Sypesteyn for display in
the Kapteyn Room
273
Fig. 12.12 The widow Catherina Elisabeth (Elise) Kapteyn–Kalshoven in the 1930s. The
book she holds in her hands is a copy of J.C. Kapteyn; Zijn leven en werken by Henriette
Hertzsprung–Kapteyn [1]. Painting by Lizzy Ansingh (1875–1959), member of the group
of painters ‘the Amsterdamse Joffers’. Gift to the Kapteyn Astronomical Institute by
great-granddaughter Wilhelmina Henriette de Zwaan-Kaars Sypesteyn for display in
the Kapteyn Room