Marie Curie. Rachel Carlson. Sally Ride. Grace Hopper. Rosalind Franklin. Jane Goodall. What do these six ladies have in common, aside from the fact that they’re very famous scientists whose work you probably studied back in high school? They all changed the world, and a result, are the focus of a fabulous minimalist poster series by a designer who rather fittingly goes by the moniker “Hyrdoegene.” Click through to peep the posters, which we spotted thanks to The Mary Sue, and check out Hydrogene’s Tumblr for even more eye-catching odes to science.