1802 – He was born on the 5th of August in Nedstrand, Norway.
1815 – He entered the cathedral school at Christiania.
1818 – He gave proof of his mathematical genius by his brilliant solutions of the original problems proposed
by Bernt Holmboe.
1821 – He entered Royal Frederick University with a little help from the pension given by the state.
1824 – His first notable work was a proof of the impossibility of solving the quintic equation by radicals.
1825 – State sponsorship enabled him to visit Germany and France.
1826 – He moved to Paris and during a ten-month stay he met the leading mathematicians of France.
1829 – He died on the 6th of April due to tuberculosis at Froland, Norway.