Close your eyes and picture a classic 19th-century painting of a mother and child: soft pastels, a baby’s bath, overwhelming tenderness. The artist most responsible for that enduring image of motherhood was a fiercely independent American expat who rejected marriage and motherhood for herself, and this episode unpacks that phenomenal contradiction. Born into Pennsylvania wealth in 1844, Mary Cassatt enrolled in art school at 15 over her family’s objections, endured a curriculum that barred women from studying anatomy, and moved to Paris in 1866 only to find the world’s greatest art school would not let her through the door. So she hacked the system: private tutors hired from that same school, and a copyist’s permit that turned the Louvre into her classroom, studio, and coffee house in one.

Her road ran through a war that sent her home, a father who paid for food but refused to fund her paint, canvases lost in the Great Chicago Fire, and a corrupt Salon that accepted a rejected painting the moment she darkened its background. Then she pressed her nose against a window full of Degas pastels, said “it changed my life,” and became the only American member of the Impressionists. What she did with their radical techniques, applied to the only spaces society allowed her to enter, quietly rewired who holds the power in a picture.

• Her volatile equal-footing partnership with Degas: grueling printmaking sessions, matching portraits in the same green dress, an abandoned joint journal, and a bitter late-life rift over the Dreyfus affair
• In the Loge, the 1878 masterstroke where a woman aims her opera glasses at someone else while a distant man aims his at her, making the viewer complicit in the chain of looking
• The lost 58-foot Modern Woman mural of 1893, a utopian vision of female independence painted for the Chicago World’s Fair and presumed destroyed
• Principles over inheritance: selling off the paintings she had saved for her relatives after her anti-suffrage sister-in-law organized a boycott of her exhibition, and steering the Havemeyer fortune toward the Impressionist collections that now fill American museums