The early 20th century provided a thriving pan-European intellectual and scientific environment, for those men who had the brains and could afford to participate

The early 20th century provided a thriving pan-European intellectual and scientific environment, for those men who had the brains and could afford to participate

Margriet van der Heijden – Denken is verrukkelijk (“Thinking is delicious”; in Dutch)

Thorough biography of Paul Ehrenfest and Tatiana Afanassjewa.