After winning the Democratic primary to fill the late Senator Ted Kennedy’s seat, Massachusetts Attorney General Martha Coakley is poised to become the Bay State’s first female senator. It's a bit late. Indeed, many Northeastern states only recently entered the female-senate-representation club, while the first women senators were from the South and Midwest. Click through this TNR slideshow for a look back at the first ten women who made their way into the ultimate boys’ society.