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.
In this election, itâs a serious consideration: Sanders, Clinton and Trump would all be among the oldest ever sworn into office. Clinton is the baby of the group, at 69 and 3 months; Trump (70) or Sanders (75) would replace Ronald Reagan as the oldest president in history. (The non-candidate Michael Bloomberg would be 74.) Story Continued Below