Watson, James. 1928-. US discoverer of DNA structure 1953 with Crick.

Watt, James. 1736-1819. Scottish engineer, perfected steam engine, 1769. Defined horsepower. Rotating engine 1781.

Whistler, James. 1834-1903. US painter. Use of light and color influenced abstract art. Arrangement in Black and Grey, No 1 (Whistler’s Mother) 1871.

White House. 1792 US president’s Neoclassical residence by Hoban. Burned by British, 1814.

Wolfe, James. 1727-59. British general. Captured Quebec in Seven Years War 1759.