She was known for her role as Lady Diana Mayo in The Sheik and The Son of the Sheik opposite Rudolph Valentino. She was born Agnes Eyre Henkel in Carbondale, Illinois to Solon and Emma Slack ...

It was probably Rudolph Valentino who got that ball rolling ... But it wasn’t until later that year that a film called The Sheik would solidify him as a romantic hero. Offscreen, Valentino ...