Directing · Director
Born Feb 22, 1824 · France
Awards: Knight of the Legion of Honour, Rumford Medal, Lalande Prize, Honorary Fellow of the Royal Society of Edinburgh, Foreign Member of the Royal Society, Commander of the Legion of Honour, Military Order of Saint James of the Sword
Pierre Jules César Janssen, also known as Jules Janssen, was a French astronomer who, along with the English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some…