This 2012 episode from prior hosts Sarah and Deblina covers dentist Horace Wells. At an exhibition in 1844 he became certain that nitrous oxide could revolutionize medicine. He tried to demonstrate his findings, but things didn't go as planned.

Elizabeth Peratrovich
43:42

SYMHC Classics: Dr. Lucy Hobbs Taylor
29:58

Behind the Scenes Minis: Carry-on Bags
28:38