Born this day in 1880, Emma Carr,chemist and 7th woman to receive a physical chemistry Ph.D. from the University of Chicago. As Head of Department of Mount Holyoke Carr created a research program studying ultraviolet spectra of hydrocarbons, and established a link between the frequenciabsorptions and the enthalpy change of combustion of the compounds.
Carr was also the Carr was the inaugural recipient in 1937 of the Francis P. Garvan Gold Medal of the American Chemical Society (ACS), established "to recognize distinguished service to chemistry by women chemists".
The chemistry building at Mount Holyoke College was dedicated in her honor in 1955.
Today is the Feast Day of Saint Bridget of Sweden.