If you have not heard of women who actively contributed to the making of the Internet, that's because they have been deliberately written out of it. Luckily we have an emerging body of literature that explores unique contributions of women to the making of the Internet. In her article Femme Futures Emily Segal elaborates on several books which are integral to our understanding of women's role in tech.
First published in frieze magazine, issue no. 193, March 2018. See https://frieze.com/article/femme-futures for further information.