The children were destined for the Nazi death camps, and Winton was instrumental in getting them safe passage to Britain.
After the war was over, Winton didn't brag about his exploits. In fact, he didn't tell a soul for half a century, not even his wife Grete. Then, in 1988, Grete found a scrapbook dating to 1939 in their attic.
It held all the children's photos, a list of their names, letters from some of their parents, and other documents. It was the first time she'd learned of her husband's story.
Later that year, the BBC program That's Life aired a reunion between Winton and the children – obviously now grown adults – he rescued. Winton was surprised when one of the children he rescued was revealed to be seated beside him, so imagine how he felt when the show's host asked if there were any other people he'd helped to save in the audience and two dozen others stood and applauded.