15 important jobs women have yet to hold in the US

Women have come a long way since they started joining the workforce in large numbers in the late 19th century, and since then there have been many historic firsts.

In law and politics, Annette Adams became the first female US attorney general in 1918. Rebecca Felton was sworn in as the first female US Senator in 1922. And Sandra Day O'Connor became the first female Supreme Court Justice in 1981.

In business, Lettie Pate Whitehead became the first woman to serve as a director of a major corporation, Coca-Cola, in 1934. Katharine Graham became the first female CEO of a Fortune 500 company, The Washington Post, in 1972. And in 1999, Carly Fiorina was the first woman to lead a Dow 30 company, Hewlett-Packard.

There are still more firsts to come.

With the help of Catalyst, a nonprofit organization that promotes inclusive workplaces, and the Center for American Women and Politics at Rutgers University, here are important jobs a woman has never held: