Constance Berry Newman led African affairs at State, among other appointments.

Constance Berry Newman led African affairs at State, among other appointments. Antony Njuguna/Corbis

A look at 20 of the all-time greatest federal employees

A guide to some of history's most illustrious civil servants.

Government may be facing some big challenges right now, but history shows that during times of crisis, great public servants have stepped forward to show tremendous leadership. Government Executive consulted with the National Academy of Public Administration and the Partnership for Public Service to produce a list of notable civil servants leading up to the 21st century. The selections were, by necessity, based on subjective criteria. But they make an inspiring gallery.

Click here to read the list from the October issue of Government Executive.