development.

At age 18, Lehmann achieved a first rank mark in the entrance exam for Copenhagen University. In 1907, she started her studies in mathematics, chemistry and physics at the University of Copenhagen. She continued her studies of mathematics in Cambridge from 1910 to 1911 at Newnham College. There, Lehmann faced sex-based adversities, not being allowed to fully participate in her studies, nor to achieve higher positions of education. As