Vinnie Ream became the first woman to be given an art commission by the U.S. Government when she was still a teenager. Part one covers the controversy that arose as she lobbied for that job.
Research:

Dorothy Crowfoot Hodgkin’s Crystalline Chemistry, Part 1
38:04

SYMHC Classics: Sarah Bradlee Fulton
32:28

Behind the Scenes Minis: Stairs and Trains
29:25