Women scientists and inventors have been making ground-breaking discoveries since Agnodike pretended to be a man in order to become the first female anatomist in ancient Greece. Yet, women's scientific contributions have historically been hidden in the footnotes of the work men claimed as their own.

It's 2019. Things are better, right? 

Not really. Men still hold the majority of patents, and systemic biases still lead to lower pay, less authorship for scientific papers, and overt and subtle forms of harassment. Women scientists of color and those in the LGBTQ community feel it the most.

Yet, women scientists are banding together to call out bias and give credit where it's due -- one Wikipedia page at a time. 

Today, we talk to four of them.