Dangerous Heights (Apollo 1, Amelia Earhart, Franz Reichelt)
Female Inventors (Marie Curie, Dian Fossey, Elizabeth Fleischmann)
Against Nature (Tim Samaras, David A. Johnston, George Mallory)
Long Forgotten Tracks (Percy Fawcett, O.C. Marsh, Edward Drinker Cope, Vavilov)
In the Name of Medicine (Jesse Lazear, Alexander Bogdonov, Michael Servetus)
Ahead of Their Time (Galileo, Hypatia, Giordano Bruno)