Ahmed Zewail

In addition to the peace treaty between Egypt and Israel, which is crucial to U.S. interests both domestically and in the Middle East, the U.S. has had and will continue to need Egypt's collaboration in the war on terrorism.

Here you have an incredibly ambitious, accomplished woman who comes up against some of the same problems that women in power come up against today. Cleopatra plays an oddly pivotal role in world history as well; in her lifetime, Alexandria is the center of the universe, Rome is still a backwater.