vice president under Reagan and 41st President of the United States (born in 1924)
United States electrical engineer who designed an early analogue computer and who led the scientific program of the United States during World War II (1890-1974)
43rd President of the United States; son of George Herbert Walker Bush (born in 1946)
a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"