The reign of Bernadotte produced a new line of eminent scientists and was the golden age of Swedish literature. Berzelius remolded the science of chemistry and founded theoretical chemistry. Elias Fries devised a new system of botany. Sven Nilsson, a distinguished zoologist, also became the founder of a new science, comparative archeology. Schlyter brought out a complete collection of the old Scandinavian laws, a work of equal importance to philology and jurisprudence. Ling invented the Swedish system of gymnastics and founded the Institute of Gymnastics in Stockholm, where his Swedish massage or movement cure was further developed. Geijer, as a philosopher, was a follower of Hoeijer, while as a historian he attained foremost rank in Sweden. As a poet and composer, Geijer also attained noteworthy success. Professor of History at Upsala, he was accused of atheism, but acquitted. His political career was equally remarkable. Geijer was a firm supporter of the government until fifty-seven years of age, when he joined the opposition. Swedish writers were divided in factions as opposed to each other as political parties. The old Gustavian school, of which Leopold remained the last representative, was attacked by the "New School," which was inspired by German Romanticism. Of this so-called "phosphoristic" school Atterbom was the leader. Stagnelius, the young poet, who died early, belonged to the same group. The New School was in turn opposed by the Gothic Society or Scandinavian School, among whom were Ling and Geijer. Franzen and Wallin devoted themselves to religious poetry. The most famous of all modern Swedish poets was Esaias Tegner, whose "Frithiof's Saga" achieved an international reputation. Politically, he was conspicuous for his inveterate hostility to the "Holy Alliance" and its reactionary spirit in state, church and literature. [Sidenote: Oscar I. of Sweden] Bernadotte's son, Oscar I., was forty-five years old when he ascended the throne. Like his father, he was a patron of the fine arts. Upon his accession several important reforms were at once enacted by the new Riksdag. It was decided that this assembly should meet every third instead of every fifth year; the liberty of the press was extended, and equal rights were accorded to women in certain matters of inheritance and of marriage. This last reform aroused so much criticism that a powerful opposition was organized in the Riksdag, under the leadership of Hartmansdorff and Bishop Wingan. [Sidenote: Death of Thorvaldsen] [Sidenote: The great sculptor's career]