1802 – Born on the 2nd of May in Berlin, Germany.
1827 – 1833 – He was occupied mainly with chemical researches, which resulted in the discovery of the first of the platino-ammonium compounds (Magnus’ green salt is [Pt(NH3)4][PtCl4]), of sulphovinic acids, ethionic acids and isethionic acids and their salts, and, in conjunction with CF Ammermüller, of periodic acid.
1831 – He returned to Berlin as lecturer on technology and physics at the university.
1834 – He became assistant professor of physics and technology in the university there.
1840 – He married Bertha Humblot, of a French Huguenot family settled in Berlin, by whom he left a son and two daughters.
1845 – Appointed as Professor at Berlin.
1861 – He devoted much attention to the question of diathermancy in gases and vapours, especially to the behaviour in this respect of dry and moist air, and to the thermal effects produced by the condensation of moisture on solid surfaces.
– He was elected rector magnificus.
1865 – His great reputation led to his being entrusted by the government with several missions; he represented Prussia in the conference called at Frankfurt am Main to introduce a uniform metric system of weights and measures into Germany.
1870 – Died on the 4th of April in Berlin, Germany.