Hans Christian Ørsted (/ ˈɜːrstɛd /; Danish: (hans kʁæsdjan ˈɶɐ̯sdɛð); often rendered Oersted in English; 14 August 1777 -- 9 March 1851) was a Danish physicist and chemist who discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism. He is still known today for Oersted 's Law. He shaped post-Kantian philosophy and advances in science throughout the late 19th century.
who discovered the magnetic effect of electric current
Hans Christian Ørsted