An intelligence quotient (IQ) is a total score derived from several standardized tests designed to assess human intelligence. The abbreviation IQ was coined by the psychologist William Sterne for the German term Intelligenzquotient, his term for a scoring method for intelligence tests at University of Breslau he advocated in a 1912 book.
Answer: Ronald Reagan became the oldest president when he was elected in 1980 at the age of 69.
When Ronald Reagan left office, he was the oldest person to ever be the President of the United States, at 78 years old. He was also the oldest person elected president, at 69 years old. If John McCain wins the nomination and then the general election in November, he will beat that record at 72 years old.