Swiss geologist, the son of Hans Conrad Escher (1767–1823); born at Zürich on the 8th of June 1807. In 1856 he became professor of geology at the École Polytechnique at Zürich. His researches led him to be regarded as one of the founders of Swiss geology. With B. Studer he produced (1852–1853) the first elaborate geological map of Switzerland. He was the author also of Geologische Bemerkungen über das nördliche Vorarlberg und einige angrenzenden Gegenden, published at Zürich in 1853. He died on the 12th of July 1872.