12 Facts About Ludwig Knorr

Ludwig Knorr was born to a wealthy merchant family in 1859.

In 1878 Ludwig Knorr received his Abitur and started to study chemistry at the University of Munich.

When Emil Fischer became professor at the University of Erlangen, he asked Ludwig Knorr to follow him.

In 1882 Ludwig Knorr received his PhD for a thesis titled Uber das Piperyl-Hydrazin.

Ludwig Knorr's habilitation followed three years later in 1885 with a thesis titled Uber die Bildung von Kohlenstoff-Stickstoff-Ringen durch Ein-wirkung von Amin-und Hydrazinbasen auf Acetessigester und seine Derivate.

In that time, during his search for quinine related compounds, Ludwig Knorr discovered the unmethylated Phenazone.

In 1885 Ludwig Knorr married Elisabeth Piloty, the sister of his laboratory colleague Oskar Piloty at the University of Munich.

In 1885 Fischer became professor at the University of Wurzburg and Ludwig Knorr followed him and was made associate professor.

Ludwig Knorr described the time in Wurzburg as most untroubled and most productive period of his life.

Ludwig Knorr became full professor at the University of Jena in 1889.

Ludwig Knorr's focus gradually shifted from the structure of pyrazoles to the more general concept of tautomerism.

In collaboration with various other chemists, Ludwig Knorr proved the concept that ethyl acetoacetate existed in a keto and an enol forms.