In his delightful book, Eilenberger manages to convey not only the complex lives of his heroines, but also the labyrinthine flow of their ceaselessly restless spirit.
The Guardian
Eilenberger does not simply have an original and convincing approach. He writes with elegance, clarity, humor — and often with moving empathy. Regardless of what one knew until now about twentieth-century thought, here one becomes wiser in a fascinating way.
Der Spiegel
All four women moved on the margins of power, politics, and philosophy — and that is why their sharp insight into what the world had become in the mid-twentieth century remains so clear. If we want to keep our spirit free in our own era of war and ideological absolutism, we will find no better guide than to retrace their steps.
Financial Times