Bert Walker or Herbert Walker may refer to:
George Herbert Walker Bush (born June 12, 1924) is an American politician who served as the 41st President of the United States (1989–93), and the 43rd Vice President of the United States (1981–89). A Republican, he previously served as a congressman, an ambassador, and Director of Central Intelligence. He is the oldest living former President and Vice President. He is also the last living former President who is a veteran of World War II. Bush is often referred to as "George H. W. Bush", "Bush 41", "Bush the Elder", or "George Bush Sr." to distinguish him from his son, former President George W. Bush. Prior to his son's presidency, he was known simply as George Bush or President Bush.
Bush was born in Milton, Massachusetts, to Prescott Bush and Dorothy Walker Bush. Following the attack on Pearl Harbor in 1941, Bush postponed college, enlisted in the U.S. Navy on his 18th birthday, and became the youngest aviator in the U.S. Navy at the time. He served until the end of the war, then attended Yale University. Graduating in 1948, he moved his family to West Texas and entered the oil business, becoming a millionaire by the age of 40.