Overlord is perhaps the greatest military operation ever attempted. You know it as D-Day. Even though it happened 75 years ago, you can still imagine the gravity of a failure. The fate of the world literally depended on its success.

One group of Americans was led by General Theodore Roosevelt Jr. – the son of the 26th US President. Through his leadership that day, countless Allied lives were saved by his agility, resilience, and calm under pressure.

Next week’s 12 Geniuses leadership moment will profile Clara Lemlich. More than 100 years ago, Clara risked her life to make working conditions better for tens of thousands of women. We hope you’ll listen to that episode, subscribe to the 12 Geniuses podcast, and give us a rating if you like it.