Recurring Guest Characters Biographer 1 guest appearances Best Professional Woman Pilot, 1930 1 guest appearances Smithsonian Institution National Air and Space Museum 1 guest appearances Professor of History, UCLA 1 guest appearances Historian, Flagler College 1 guest appearances Author, "Christopher Columbus" 1 guest appearances Geographer / Writer 1 guest appearances Author, "Conquest of Eden" 1 guest appearances Narrator 1 guest appearances The Voice of Plutarch 1 guest appearances Professor, Italian Center of Experimental Archeology, Rome 1 guest appearances Director, Near Eastern Languages & Culture, U.C.L.A. 1 guest appearances Professor of Classics, U.C.L.A. 1 guest appearances Experts Coordinator, Professor, Near Eastern Languages & Culture, U.C.L.A. 1 guest appearances Husband 1 guest appearances NASA Public Affairs Officer 1 guest appearances Christa's Best Friend 1 guest appearances Teacher in Space Designee 1 guest appearances Director, Christa McAuliffe Planetarium 1 guest appearances Reporter 1 guest appearances ⇤ « 1 2 3 4 5 » ⇥