Pr. Mildred Dresselhaus with an ultra high vacuum surface analysis system for imaging and characterizing thin film organic and inorganic materials and devices in the soft semiconductor lab, Massachusetts Institute of Technology. Mildred Dresselhaus, USA, LOreal-UNESCO Award For Women in Science, 2007 Laureate for North America, 'For her research on solid state materials, including conceptualizing the creation of carbon nanotubes'. (Photo by Micheline PELLETIER/Gamma-Rapho via Getty Images)