Adam posted
an interesting fact on Maybelline which made me curious to learn more about the company's founding.
This is what I found. The company was started in 1915 by Thomas Lyle Williams in New York. He noticed his sister Maybel using Vaseline and coal dust on her lashes. He went on to develop a cake Mascara.
Here is more about the founder himself. He had a brief first marriage which produced a son. He ended up with a male life partner Emery Shaver. it seems his son died only a few years after Thomas did. One of his descendants has written a Maybelline book
here.