This episode is about two women related to John Singer Sargent: Judith Sargent Murray was a writer and an advocate for women’s rights. Emily Sargent was a prolific artist whose work was largely thought to be lost.
Research:

Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25