Eli Heckscher
Heckscher was born in Stockholm, son of the Jewish Danish-born businessman Isidor Heckscher and his spouse Rosa Meyer, and completed his secondary education there in 1897. He studied at Uppsala University and Gothenburg University, completing his PhD in Uppsala in 1907. He was professor of Political economy and Statistics at the Stockholm School of Economics from 1909 until 1919, when he exchanged that chair for a research professorship in economic history, finally retiring as emeritus professor in 1945. In 1929 Heckscher founded the Institute for Economic History Research.
Ella Sophonisba Hergesheimer
She studied at the Philadelphia School of Design for Women for two years, and then went on to study at the Pennsylvania Academy of Fine Arts for four years. At the Pennsylvania Academy of Fine Arts, she studied with Cecilia Beaux, Hugh Breckenridge, and William Merritt Chase. She was considered by Chase to be one of his finest students, and spent the summer of 1900 studying at Chase's Shinnecock Hills Summer School of Art on Long Island. As a senior at the Pennsylvania Academy of Fine Arts, she was judged the best pupil in her class and was awarded the Cresson Traveling Scholarship.