Complex sentence: On February 10,1949, FBI investigators questioned Esther Shemitz Chambers, wife of Whittaker Chambers, about the Ogginses, as Esther Chambers and Nerma Oggins had both attended the Rand School and had worked at the ILGWU and "The World Tomorrow" magazine.
Split into simpler sentences: On February 10,1949, FBI investigators questioned Esther Shemitz Chambers, wife of Whittaker Chambers, about the Ogginses. Mrs. Chambers and Mrs. Oggins had both attended the Rand School and had worked at the ILGWU and "The World Tomorrow" magazine.