Galileo Galilei the use of the compasses for 120 lire. In about 1593, Galileo constructed a thermometer, using the expansion and contraction of air in a bulb to move water in an attached tube. In 1609, Galileo was, along with Englishman Thomas Harriot and others, among the first to use a refracting telescope as an instrument to observe stars, planets or moons. The name "telescope" was coined for Galileo's instrument by a Greek mathematician, Giovanni Demisiani, at a banquet held in 1611 by Prince Federico Cesi to make Galileo a member of his Accademia dei Lincei. The name was derived from the
Hans Jacob Hess Hans Jacob Hess John Jacob Hess (German: Hans Jacob Hess) (May 17, 1584 – 1639) was a Swiss-German Anabaptist minister and martyr. John Jacob Hess was born in Wald, Zurich, Switzerland on May 17, 1584 to Hans Heinrich Hess, a bailiff, (1534–1587) and Adelheid Kuntz (1546–1585). He had eight older full siblings: Margaretha, Christian, Matheus, Hans, Elsy, Margaretha, Heinrich, and Dorothea; five older half-siblings from his father's first two marriages: Adelheid, Barbara, Veronica, Catharina and Anna; and one younger half-brother, Hans, from his father's fourth marriage. He married Anna Egli (1584–1639) on April 27, 1606. They had 7 children: Anna