He was one of the independent discoverers of the Thermal Hall effect.
Leduc was born in Oust-Marais (Somme) to farmer Ferdinand and his wife Marie Madeleine Augustin Lottin.
He graduated in mathematics and physics (1878) and received a doctorate in 1888.
In 1892 he became a lecturer at the Faculty of Sciences and in 1900 he became an assistant professor.
[1] Leduc's most famous work was the discovery of a difference in temperature produced by a magnetic field on a metal strip.