We separated and yet managed to come back together." David Blight is a historian at Yale University in Connecticut and an expert on the Civil War.

VOA: special.2011.04.09

But then an old Yalie who took this course when he was very young, and later became an ancient Greek historian, took the wonderfully outlandish device of answering this question.

有一位老耶鲁人在年轻时选了这门课,后来成了一名历史学家,专攻古希腊史,他极其出色地回答了这个问题

耶鲁公开课 - 古希腊历史简介课程节选

Tom Schwartz is the Illinois state historian and an expert on Abraham Lincoln.

VOA: special.2009.02.09

Alison Des Forges was an American-born human rights expert and historian.

VOA: special.2009.03.09