Heinrich Laehr

Heinrich Laehr (10 March 1820 – 18 August 1905) was a German psychiatrist born in Sagan, Silesia.

In 1843 he obtained his medical doctorate from the University of Halle, where he was a student of Peter Krukenberg (1787–1865).

He was instrumental in the planning and development of institutions at Lengerich (1864), Eberswalde (1865), Andernach (1867), Schwerin (1874), Merzig (1876), Düren and Owinsk (1880), Berlin-Dalldorf, Grafenberg (1882) and Potsdam (1886).

[1] From 1885 he was editor-in-chief of the Allgemeine Zeitschrift für Psychiatrie und psychisch-gerichtliche Medicin.

It occurs when the hard palate is tickled, resulting in contraction of the orbicularis oris muscle and lowering of the upper lip.

Heinrich Laehr (1820-1905)
Marie and Heinrich Lehr- (relief on the tomb by Adele Paasch Laehrów)