
Margaret W. Rossiter didn’t just study history—she reshaped it. In 1993, she nam…
Margaret W. Rossiter didn’t just study history—she reshaped it. In 1993, she named a truth that had been hidden in plain sight for centuries: the Matilda Effect—the systematic erasure of women’s achievements in science. She named it after suffragist and abolitionist Matilda Joslyn Gage, who had raised the alarm more than a hundred years before. […]