Saint Walatta Petros

1600s Ethiopian saint Walatta Petros was a revered religious leader who was a driving force preventing the Catholic colonization of her country and her church.

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Martine Rothblatt

Her long list of accomplishments includes creating and commercializing satellite radio, founding a biotechnology company that seeks to provide an unlimited supply of transplantable organs, setting world records for electric flight and delving deep into the future of artificial intelligence with her work on digital immortality.

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Sandra Gail Lambert

Though Sandra Gail Lambert didn’t start writing seriously until her late 30s—publishing her first novel at 62—there are advantages to being a “late bloomer.”

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