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)
any of various rotating shafts that serve as axes for larger rotating parts
(biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle; "chromosomes are distributed by spindles in mitosis and meiosis"