n king of France from 1589 to 1610; although he was leader of the Huguenot armies, when he succeeded the Catholic Henry III and founded the Bourbon dynasty in 1589 he established religious freedom in France;
n King of the Germans and Holy Roman Emperor (1050-1106)
n the first Lancastrian king of England from 1399 to 1413; deposed Richard II and suppressed rebellions (1367-1413)
n (chemistry) law formulated by the English chemist William Henry; the amount of a gas that will be absorbed by water increases as the gas pressure increases
n British chemist and physicist who established that water is a compound of hydrogen and oxygen and who calculated the density of the earth (1731-1810)