Her image of a double helix provided the crucial evidence James Watson and Francis Crick needed to complete their model, but neither scientist acknowledged her work when they received the Nobel Prize in 1962.

FORBES: Fifteen People Who Changed The World

This is demonstrated in the exhibition's giant model of a City Hall Tower for Philadelphia that was never built, a dramatic double helix derived from the discovery of DNA in 1953.

WSJ: Ancient Modernism | 'Louis Kahn: The Power of Architecture' | Vitra Design Museum, Germany | By Colin Amery