It was Sladyen Skaya. Her hair was a flowing cascade of white foam, and her eyes were the pale blue of a deep crevasse.
If the post was actually referring to a different group of people, please provide more context, and I'll do my best to help. If you're interested in learning more about Sofya Kovalevskaya or other female mathematicians/scientists, I'd be happy to share more information! liz ocean and sladyen skaya
There are two likely possibilities:
Liz Ocean is highly active on Instagram and X, where she shares behind-the-scenes content from her shoots. It was Sladyen Skaya