Since 2009, the Smithsonian Archives has posted photographs showing women scientists and engineers at work. Here are some images from their archives.
Anna Chao Pai, working on developmental genetics and cross-breeding special strains of mice.
Anna “Vesse” Dahl, a Norwegian adventurer who made great contributions to research on atomic energy.
Bertha Parker Pallan, one of the first female Native American archaeologists.
Aviation expert and pilot Anesia Pinheiro Machado, the first Brazilian woman to make a cross-country flight.
Source: The Smithsonian