I'm back this week with the promised second part to my Women in STEM special. This week, we'll explore the stories of 6 more women who changed the world, beginning with Genevieve Grotjan Feinstein who cracked the elusive Japanese Purple code during World War II. Chien-Shiung Wu made breakthrough discoveries in physics and helped develop the first atomic bomb with her critical involvement in the Manhattan Project. Katherine Johnson helped put the first man in orbit and send men to the moon. Sa...