Known and Unknown: A Memoir Known and Unknown: A Memoir Known and Unknown: A Memoir is an autobiographical book by Donald Rumsfeld, an American politician and businessman who served as Secretary of Defense from 1975 to 1977 and again from 2001 to 2006 (among many other positions). He published it through Penguin Group USA in February 2011. It covers a variety of his experiences such as working as a Republican in the U.S. House in the late-1960s, serving in the Ford Administration during the Watergate and Vietnam crises, and serving during the George W. Bush Administration through the Abu Ghraib and Guantanamo Bay scandals. Rumsfeld
Colin Powell from George Washington University. Powell was a professional soldier for 35 years, during which time he held myriad command and staff positions and rose to the rank of 4-star General. His last assignment, from October 1, 1989 to September 30, 1993, was as the 12th Chairman of the Joint Chiefs of Staff, the highest military position in the Department of Defense. During this time, he oversaw 28 crises, including Operation Desert Storm in the 1991 Persian Gulf War. He also formulated the Powell Doctrine. Following his military retirement, Powell wrote his best-selling autobiography, "My American Journey". In addition, he pursued