Johannes Hevelius and his second wife and collaborator, Elisabetha were the 17th-century's astronomy power couple. For one, they had a personal observatory that was considered one of the most important in all Europe.
Research:

Behind the Scenes Minis: Stairs and Trains
29:25

Elizabeth Blackwell's Curious Herbal
34:51

The Many Meanings of the Bunker Hill Monument
45:48