are international and represent thirty countries on six of the world's seven continents. The college has forty student clubs and organizations, among these the Euphrates and Leadership institutes. The Public Affairs Conference at the college is one of oldest student-led conferences in America and has been held annually since 1939. The Principia College Speaker Series has featured former United States President Barack Obama, statesman and retired four-star general Colin Powell, former United States president George H. W. Bush, former United States president Jimmy Carter, author and poet Maya Angelou, David McCullough, Elie Wiesel, actor and director Robert Duvall, Val Kilmer, Coretta Scott King, and Margaret Thatcher. In addition to the Public Affairs Conference, Principia College holds an International Perspectives Conference with a focus on global issues such as human rights in Africa.
=== Technology ===
Of the technological programs present at Principia College, most prevalent and distinguished is its study …