Katharine Hepburn and Katharine Hepburn
Katharine Martha Hepburn, née Houghton, with her daughter, Katharine Houghton Hepburn, who grew to be a famous actress, shown here in 1907.
Although the younger Katharine is better known, Katharine senior was very accomplished too. Among other things she was a leader the suffrage movement in the United States, and helped found the organization that would become Planned Parenthood.
Original B&W photo.